The correct option is D, the force of Earth's gravity on a spacecraft 2.00 Earth radii above the Earth's surface is 2610 N.
The force of Earth's gravity on a spacecraft can be calculated using the equation F = G * (m1 * m2) / r^2, Earth's surface is approximately 2 * 6,371,000 m = 12,742,000 m). Plugging in the values, we get:
F = 6.67 x 10^-11 Nm^2/kg^2 * (5.97 x 10^24 kg * 1700 kg) / (12,742,000 m)^2
F = 2610 N
Force is a term used in physics to describe the influence that causes an object to undergo a change in motion. It is a vector quantity, meaning it has both magnitude and direction. Force can cause an object to move, change its speed, or change its direction. It can also cause a stationary object to start moving. There are several types of forces, including gravitational forces, electrical forces, magnetic forces, and friction forces. Force can also be described as a push or a pull.
Force is an essential concept in physics as it helps us understand the behavior of objects and how they interact with each other. For example, the force of gravity keeps planets in orbit around the sun. The force of friction is what allows us to walk on the ground without slipping. The force of air resistance affects the motion of projectiles and affects the speed of vehicles.
To learn more about Force visit here:
brainly.com/question/28875770
#SPJ4
Help please, giving Brianlest and points!!
Given the circuit information, we can calculate the current and voltages as follows:
IT = VT / (R1 + R2 + Ro)
I1 = IT
I2 = IT
RT = R1 + R2 + Ro
RT = 7 + 7 + 12 = 26 Ohms
So the total resistance of the circuit (RT) is 26 Ohms.
.... had a complicated relationship with European settlers.
Answer:
Explanation:
native americans
Answer:
Going to assume Native Americans
Explanation:
in 1977 steve weldon ate 91 m of spaghetti in 29 s. at the same speed, how long would it take Mr. weldon to eat 5 m of spaghetti?
The time that would be taken is 1.6 s.
What is the speed?We know that the speed would be the ratio of the distance to the time that have been taken and that is how we would be able to solve the problem that we have in the case that is ahead of us in this question
We have that the speed is; Distance/Time
= 91 m/29s
= 3.1 m/s
At the same speed;
Time = Distance/Speed
= 5 m / 3.1 m/s
= 1.6 s
Hence we k now that the spaghetti would be able to take a time that is about 1.6 s
Learn more about speed:https://brainly.com/question/28224010
#SPJ1
which of the following is a longitudinal wave? which of the following is a longitudinal wave? light wave water wave sound waveradio wave
A sound wave is a longitudinal wave out of all 4 that is light wave, water wave, sound wave, radio wave.
What is longitudinal wave?Longitudinal waves are waves in which the medium's vibration is parallel to the wave's travel direction and the medium's displacement is in the same direction as the wave's propagation. A longitudinal wave is a form of wave in which the medium's vibration is parallel to the wave's direction and the medium's displacement is parallel to the wave's movement. The particles in a longitudinal wave are shifted parallel to the direction of the wave. Compressions travelling down a slinky are an example of longitudinal waves. By pushing and pulling the slinky horizontally, we may create a horizontal longitudinal wave.
To know more about longitudinal wave,
https://brainly.com/question/8497711
#SPJ4
the following statements describe ways in which the analogy might apply to the real universe. which statements are correct?
The following statements describe ways in which the analogy might apply to the real universe:
The average distance increases with time, both between raisins in the cake and between galaxies in the universe.An observer at any raisin sees more distant raisins moving away faster, just as an observer in any galaxy sees more distant galaxies moving away faster.An analogy is a comparison between two objects, events, or ideas that share certain characteristics. In the context of the real universe, an analogy can be used to compare the universe to something familiar, such as a balloon.
Just as a balloon expands when air is added to it, the universe is expanding, with the average distance between galaxies increasing over time. Similarly, just as a balloon needs energy to expand, the universe contains vast amounts of matter and energy, with much of it still undiscovered.
Finally, just as a balloon follows the same basic rules of geometry, the geometry of the universe follows ordinary Euclidean geometry, with the same basic rules of geometry applying to both the small and large scale.
Learn more about analogy of real universe:
https://brainly.com/question/14408578
#SPJ4
Complete question:
The following statements describe ways in which the analogy might apply to the real universe. Which statements are correct?
Check all that apply.
- The average distance increases with time both between raisins in the cake and between galaxies in the universe.
-An observer at any raisin sees more distant raisins moving away faster, just as an observer in any galaxy sees more distant galaxies moving away faster.
-The raisins stay roughly the same size as the cake expands, just as galaxies stay roughly the same size as the universe expands.
A commuter train accelerates at a rate of 1.35 m/s2. How long does, in seconds, it takes to reach a top (highest) speed of 65.0 km/h, starting from rest. The same train ordinarily decelerates at a rate of 1.7 m/s2. How long, in seconds, does it take to come to a stop from its top speed. What is the speed, in meters per second, of the train 7 seconds after it starts decelerating from its top speed.
Time is calculated by dividing the final speed by the initial speed and the acceleration. Consequently, that is equal to 1.35 meters per second squared times 22.22 meters per second less than 0.
What is Acceleration?This results in 16.5 seconds. It is the amount of time needed for a train to accelerate from a stop to 80 kilometers per hour.
Acceleration: the rate at which the speed and direction of a moving object vary over time. A point or object going straight ahead is accelerated when it accelerates or decelerates. Even if the speed is constant, motion on a circle accelerates because the direction is always shifting.
Acceleration is a vector quantity since it has both a magnitude and a direction. A vector quantity is also velocity. The velocity vector change during a time interval divided by the time interval is the definition of acceleration.
Therefore, Time is calculated by dividing the final speed by the initial speed and the acceleration. Consequently, that is equal to 1.35 meters per second squared times 22.22 meters per second less than 0.
To learn more about acceleration, refer to the link:
https://brainly.com/question/12550364
#SPJ1
an inclined track is secured to a table. the height of the highest point of the track above the tabletop is h1 . the height from the tabletop to the floor is h2 . a block of mass m is released from rest and slides down the track such that all frictional forces are considered to be negligible. the block leaves the track horizontally and strikes the ground at a distance d from the edge of the track as shown. which of the following statements is correct about the scenario? select two answers.
From the moment of release, until it hits the ground, there is an increase in mechanical energy. The two statements that describe how the block Earth's total mechanical energy stays constant are true. Both (3) and (4) are the right answers.
1) The block will land at a distance of 2D from the end of the track if it is released from a height of 2hi.
This assertion is untrue. The horizontal distance the block travels after leaving the track is influenced by the launch height (hi), even though it is not precisely proportional to 2hi. The horizontal distance D can be calculated using the rules of mechanical and energy conservation.
2) If the mass of the block is increased to 2M, the block will land 2D distance from the track's edge.
This assertion is untrue. The mass of the block has no bearing on the horizontal distance D that it travels after leaving the track.
3) From the time of release to the time the block hits the ground, the system's total mechanical energy, which only contains the block, grows.
This assertion is true. The system's overall mechanical energy rises when external factors like friction and air resistance are absent.
4) The block-Earth system's overall mechanical energy stays constant.
This assertion is true. As was already stated, the block-Earth system's total mechanical energy is conserved in the absence of outside forces like friction and air resistance. As the block descends the gradient and transforms into kinetic energy, its potential energy drops. The block's potential energy is further transformed into kinetic energy when it becomes a projectile after leaving the track.
Therefore, assertions (3) and (4) are true.
The total mechanical energy of the system, which just contains the block, increases from the time of release to the time it touches the ground. The total mechanical energy of the block-Earth system is constant.
To know more about the kinetic energy;
https://brainly.com/question/15764612
#SPJ12
The complete question is:
ON An inclined track is secured to a table. The height of the highest point of the track above the tabletop is hi. The height from the tabletop to the floor is k2. A block of mass M is released from rest and slides down the track such that all frictional forces are considered to be negligible. The black leaves the track horizontally and strikes the ground at a distance from the edge of the track as shown. Which of the following statements is correct about the scenario? Select two answers. if the block is released from a height of 2h1, the block will land at a distance 2D away from the end of the track. If the block's mass is increased to 2M, the block will land at a distance 2D away from the edge of the track The total mechanical energy of the system containing only the block increases from the moment of release to the moment it strikes the ground. The total mechanical energy of the block Earth system remains constant.
which statements are true about electric field lines? check all that apply. which statements are true about electric field lines?check all that apply. they are continuous. they form closed loops.
Electric field lines are continuous and can form closed loops. They point away from positive charges and towards negative charges, and can never cross.
Additionally, electric field lines can be mapped by the motion of charged particles.
An electric field is a vector field that represents the force exerted on a particle due to an electric charge. It is an invisible field of force that exists between two charged particles, and it can be used to calculate the force between those particles.
The electric field is a measure of the intensity of the electric force, and it is usually represented by electric field lines. These lines point away from positive charges and towards negative charges, and can never cross. The electric field is a force field generated by electric charges, and it is also responsible for creating electric potential energy.
Learn more about electric field:
https://brainly.com/question/14372859
#SPJ4
a person is standing on a scale placed on the floor of an elevator. at time t1, the elevator is at rest and the reading on the scale is 500n. at a later time t2, the person is still standing on the scale and the reading on the scale is 400n . based on the scale readings, which of the following statements about the motion of the elevator could be true at time t2 ?
N = (500 =-ma mg m-500 (= 57.02kg 4-8 400-500 =-ma2a (= 100 57.02 1.960 up wood. Therefore, the word "frets down" Therefore, it is moving upward and accelerating slowly.
Which one of the following represents movement?While the velocity of a train set on a long straight is linear, the journey of a planet all around sun and the movement of a clock's minute hand are both circular motions. The only motion that can be considered random is that of a butterfly.
How many different main motions exist?There are numerous distinct motions. Motions are categorised into five classes in Robert's Rules of Procedure Newly Revised (RONR): Main motions, those that, in the absence of another motion, put business before the assembly. The most typical kind of motion is this one.
To know more about acceleration visit:
https://brainly.com/question/12550364
#SPJ4
a) using the numbered direction arrows shown, indicate (by number) which direction arrow best represents the direction of the quantities listed below. if the quantitiy has zero magnitude or cannot be determined, indicate using the corresponding number listed below.
1. Position vector at D : 3, the vector point to the right and 3 is to the right direction
2. Displacement for D to F: 6 , if we draw a vector from D to F, with D as origin the direction is same as 6
3. 7, change in velocity is VF - VD , VF = VD by magnitude, if we take VD as +ve and VF as -ve the change is -ve (to the left) and arrow 7 is to the left
4. 10, without knowledge of mass we cannot determine the momentum
5. 9. both forces at F and D are equal in magnitude and opposite in direction and hence the magnitude is 0
6. 1, the vector at E and 1 are in the same direction upward.
7. 1, the change is position from D to E same as vector 1, E^ -D^
8. 10, we need to have the magnitudes of VE and VD to know the direction of VE - VD to know the change in velocity from D to E.
9. 10, same as 8, we need to know the magnitudes of velocities and the mass to know the momentum and the change in momentum
10.10, we need to know the magnitudes of force at D and E
Magnitude is a measure of the size or intensity of a physical quantity, such as a force, velocity, or earthquake. In physics, magnitude is used to quantify the relative size of different physical quantities, making it easier to compare and understand their relative importance.
In vector physics, magnitude refers to the length or magnitude of a vector. A vector has both magnitude and direction, and the magnitude of a vector represents its strength or size, while its direction represents the direction in which it acts. The magnitude of a vector can be calculated using mathematical formulas, such as the Pythagorean theorem, which is used to find the length of a right triangle.
To learn more about Magnitudes visit here:
brainly.com/question/28173919
#SPJ4
Complete Question: -
Using the numbered direction arrows shown, indicate (by number) which direction arrow best represents the direction of the quantities listed below. If the quantity has zero magnitude or cannot be determined, indicate using the corresponding number listed below.
The position vector at location D
The change in position (the displacement) between location D and location F
The change in velocity between location D and location F
The change in momentum between location D and location F
The average net force between location D and location F
The position vector at location E
The change in position (the displacement) between location D and location E
The change in velocity between location D and location E
The change in momentum between location D and location E
The average net force between location D and location E
consider a dark fine in an interfence pattern at which alomst no lightnery is arriving light from both slits is arrving at this point but the aves cancel where od3s the energy go
In this issue, it is stated that no light energy is entering a dark fringe inside an interference pattern. Our goal is to explain where the energy goes when this phenomena occurs.
What is energy?The definition of energy is "capacity to do work, which is ability to apply force creating displacement of an object." Energy simply refers to the force that moves objects, despite this definition's seeming complexity. Both potential and kinetic energy fall under this category.
In Example, how does energy function?There are various forms of energy. These consist of, among others, energy from nuclear , atomic energy, light, heat,, gravity, electrical, sound, chemistry.
To know more about energy visit:
https://brainly.com/question/2409175
#SPJ4
If it takes light 8⅓ minutes to travel from the Sun to Earth and if the Earth-Sun distance is 150,000,000 km, calculate the speed of light in meters per second. [Hint: First do side calculations to figure out how many seconds is equal to 8⅓ minutes and how many meters is equal to 150,000,000 km. Then divide the distance given in meters (m) by the time you found in seconds (s) to get the answer in units of m/s.]
The speed of light in metres per second is 300,000,000m/s
How to calculate speed?The speed of light can be calculated by dividing the distance moved by the time as follows:
Speed = distance (m) ÷ time (s)
According to this question, it takes light 8⅓ minutes to travel from the Sun to Earth and if the Earth-Sun distance is 150,000,000 km.
8⅓ minutes = 500 seconds150,000,000 km = 150000000000 metresThe speed of light can be calculated thus;
Speed = 150000000000m ÷ 500s
Speed = 300,000,000m/s
Learn more about speed at: https://brainly.com/question/394103
#SPJ1
compute the skin depths for copper aluminum and gold at 1 ghz and 10 ghz and find the resistance of a 10 cm
The skin depth of a material at a given frequency is defined as the distance below the surface of the material at which the magnetic field inside it has decreased to 1/e (approximately 37%) of its surface value. The skin depth can be calculated using the following equation:
δ = (2 / μσf)^0.5
where μ is the magnetic permeability of the material, σ is the conductivity of the material, and f is the frequency.
For copper at 1 GHz, the skin depth is approximately 7.67 μm. For aluminum at 1 GHz, the skin depth is approximately 6.64 μm. For gold at 1 GHz, the skin depth is approximately 2.45 μm.
For copper at 10 GHz, the skin depth is approximately 2.38 μm. For aluminum at 10 GHz, the skin depth is approximately 2.10 μm. For gold at 10 GHz, the skin depth is approximately 0.78 μm.
The resistance of a 10 cm length of a material can be calculated using the following equation:
R = ρL / A
where ρ is the resistivity of the material, L is the length of the material, and A is the cross-sectional area of the material.
The above calculations are based on the assumption that the skin depth is much smaller than the dimensions of the material. In reality, the skin depth of a material can change with frequency and with temperature, so the above calculations are only approximate.
For such more question on skin depth
https://brainly.com/question/29976960
#SPJ4
using the graphic map and information provided above, explain how each of the following forces had devolutionary pressure
The king and the president-elect share authority in Spain, a parliamentary monarchy. Spain is one of the most decentralized democracies in Europe, while having a national parliament.
Each of its 17 areas is in charge of running its own public facilities, such as hospitals and schools. Multiculturalism is the nation exhibits diversity in history, race, language, and religion. Economic inequalities by region Spain's many areas display disparity, unequal economic development, and variations in the leading economic activities. Geographical location and territorial scope. Spain's geography includes mountains and aquatic bodies. Additionally, there are geographical variations in the availability or location of natural resources. Additionally, some sections are larger than others.
To learn more about Multiculturalism click here https://brainly.com/question/28327580
#SPJ4
complete question: Using the graphic/map and information provided above, explain how each of the following forces lead to devolutionary pressure within SPAIN.
1. Cultural diversity
2. Regional Economic differences
3. Physical Geography and Territorial size
what did you notice about the total momentum before the collision and the total momentum after the collision in each of the above cases
There is a difference in total momentum before collision (3.212) and total momentum after collision (32.007).
The total momentum before and after a collision is conserved in an isolated system, meaning that the total momentum of the objects before the collision is equal to the total momentum of the objects after the collision. This is known as the law of conservation of momentum.
The law of conservation of momentum is a fundamental concept in physics that states that the total momentum of a closed system remains constant, unless acted upon by an external force. This law states that the momentum of an isolated system remains constant, regardless of any internal or external forces. The law of conservation of momentum is a consequence of the law of energy conservation and is a fundamental principle in mechanics, and it applies to both linear and rotational motion.
The law of conservation of momentum can be applied to a wide range of physical systems, including collisions between objects, explosions, and the motion of objects in space. In the case of a collision between two objects, the total momentum of the objects before the collision is equal to the total momentum of the objects after the collision, provided there is no external force acting on the system. This law is used to predict the velocity and direction of objects after a collision, as well as the amount of energy transferred during the collision.
To learn more about Law of conservation of momentumvisit here:
brainly.com/question/24131537
#SPJ4
Complete Question: -
What did you notice about the total momentum before the collision and the total momentum after the collision in each of the above cases?
The principle you should have noted in the previous question is called conservation of momentum. What do you think it means to say something is conserved in the context of physics?
n the above table, write whether each type of transistor will act as an open circuit or a closed circuit.
The p-type transistors in the preceding table can be used as a closed connection or as an external switch.
What is a P-type transistor?The p-type crystal serves as the n-p-n transistor's base. Base-collector junctions are typically forward-biased, but base-emitter junctions are reverse-biased, indicating the edit side of a junction has a larger concentration than the d e side.
A transistor of the kinds p and n is what?In a p-type microelectronic, the hole density is much higher than the electron density. The energy level of the p-acceptor type is close to the valency bond but far from the p-type semiconductor. an n-type semiconductor that has had an intrinsic semiconductor treated with phosphate or antimony.
To know more about transistor visit :
https://brainly.com/question/12530064
#SPJ4
two point charges, a and b, are separated by a distance of 20.0 cm . the magnitude of the charge on a is twice that of the charge on b. if each charge exerts a force of magnitude 42.0 n on the other, find the magnitudes of the charges.
A and B are two point charges that are separated by 20.0 cm. The charge on an is twice as large also as charge on b in terms of magnitude. A force with magnitude 42.0 n, on the other hand, is equal to 2 x 0.7820 10-5C = 1.5640 10-5C.
The meaning of magnitudeAn average man would have given up given the size of the work. planetary science. Magnitude also describes how bright a star appears to be from Earth.
What does force magnitude mean in physics?The amount that encapsulates the force's strength is known as its magnitude. Consider the following scenario: the force is 10 N in the east. The direction is indicated by "towards east," while the force is indicated by "10." Magnitude can be thought of as simply the "value" or "amount" of the any physical quantity.
To know more about magnitude visit:
https://brainly.com/question/1447482
#SPJ4
The bracket is subjected to the two forces shown. Express each force in Cartesian vector form and then determine the resultant force FR.a) Find the magnitude of the resultant force.b) Find coordinate direction angle α of the resultant force.c) Find coordinate direction angle β of the resultant force.d) Find coordinate direction angle γ of the resultant force.Express your answers to three significant figures.
Each force in Cartesian vector form is (F1) ⃗ = (86.5 i + 186 j – 143k) N and (F2) ⃗ = (-220 i + 311 j + 220 k) N. The resultant force is (FR) ⃗ = (- 134i + 497j + 77k) N. a) The magnitude of the resultant force is 520 N. b) The coordinate direction angle α = 105. c) The coordinate direction angle β = 17.1. d) The coordinate direction angle γ = 81.5.
For a force vector (F,) ⃗ the direction angles made by vector with the x, y, and z are α, β, and γ and hence the Cartesian components of the vectors are given by:
Fx = F cos α
Fy = F cos β
Fz = F cos γ
The Cartesian vector form is given by: {Fx i + Fy j + Fz k}
According to the given data, (F1) ⃗ = 250N and (F2) ⃗ = 440N.
The factor vector (F1) ⃗ makes a 35 degree with xy plane. Hence, its projection on the xy plane will be F1 cos35. The projection makes a 25 degrees with the y-axis. Hence the y-component will be F1 cos35 cos 25 and x-component will be F1 cos 35 sin 25. Hence the (F1) ⃗ in cartesian form is given by:
(F1) ⃗ = 250(cos 35 sin 25 i + cos 35 cos 25 j – sin 35 k) N
(F1) ⃗ = (86.5 i + 186 j – 143k) N
Likewise,
(F2) ⃗ = 440 (cos 120 i + cos 45 j + cos 60 k) N
(F2) ⃗ = (-220 i + 311 j + 220 k) N
Hence, the resultant force is given by:
(FR) ⃗= (F1) ⃗+(F2) ⃗
(FR) ⃗ = (86.5 – 220)i + (186 + 311)j + (-143 + 220)k
(FR) ⃗ = (- 134i + 497j + 77k) N
a) The magnitude of the resultant force is given by:
FR = √(Fx^2+Fy^2+Fz^2 )
FR = √((-134)^2+497^2+77^2 )
FR = 520 N
The coordinate direction angles are:
b) cos α = Fx/FR = -134/520
α = 105
c) cos β = Fy/FR = 497/520
β = 17.1
d) cos γ = Fz/FR = 77/520
γ = 81.5
Learn more about Force vector:
https://brainly.com/question/13774406
#SPJ4
a 10-n falling object encounters 10 n of air resistance. the net force on it is a 10-n falling object encounters 10 n of air resistance. the net force on it is 6 n. 4 n. 0 n. 10 n.
The net force on the object is 0 N.
The total of all the forces operating on an item is defined as the net force.
A mass can be accelerated by net force. Another force acts on a body at rest or in motion. When there are a large number of forces in a system, the net force is utilised.
The larger the net force applying on the object, the faster it will move. These correlations are summarised by Newton's second law of motion.
The aforementioned acceleration equation may be modified to solve for net force as follows: Net Force = Mass * Acceleration, or F = m ×a.
The net force on a 10 N falling object that encounters 10 N of air resistance is 4 N.
The total force on the object is equal to the gravitational force minus the air resistance:
[tex]$$F_{\text{net}} = F_{\text{gravity}} - F_{\text{air resistance}} \\= 10 N - 10 N \\= 0 N$$[/tex]
For more questions on Net Force
https://brainly.com/question/14361879
#SPJ4
A Crew Dragon capsule with a mass of 9,500 kg is reentering Earth's atmosphere. It has slowed down from orbital velocity to 2,000 m/s. Which of the following would be equal to the pull of the Earth on the capsule?
Group of answer choices
The push of air resistance on Earth
The gravitational pull of the capsule on the Earth
The gravitational pull of the sun on the capsule
The push of air resistance on the capsule
The capsule will be the push of air resistance on the capsule.
option D.
What is Newton's third law of motion?
Newton's third law of motion states that for every action force, there is an equal and opposite reaction force.
If the capsule is slowed down from orbital velocity to 2,000 m/s due to pull of the Earth on the capsule, then the capsule will exert equal and opposite force to Earth.
Thus, the opposite and equal force exerted by the capsule will be the push of air resistance on the capsule.
Learn more about Newton's third law of motion here: https://brainly.com/question/25998091
#SPJ1
how do I solve this?
The value of vector B is determined as - 6.8i and the magnitude is -6.8.
What is the value of vector B?The value of vector B is calculated by applying the following formula as shown below.
R = C + B
where;
R is the resultant vectorThe value of vector B is calculated by adding vector C and B as shown below.
7.4j = 6.8 i + 7.4j + B
7.4j - 7.4 j - 6.8i = B
0j - 6.8i = B
B = -6.8 i
Learn more about vector addition here: https://brainly.com/question/10679748
#SPJ1
how does the vertical acceleration at point a compare to the vertical acceleration at point c?how does the vertical acceleration at point a compare to the vertical acceleration at point c?both accelerations are equal to zero.the acceleration at a is greater than that at c.the acceleration at a is less than that at c.both accelerations are equal to free fall acceleration.
When comparing the vertical acceleration at point a to the vertical acceleration at point, both accelerations are the same as the acceleration of free fall.
What is the difference between the vertical gravitational acceleration and this horizontal acceleration?The vertical acceleration generated by gravity is 9.8 m/s/s downward, but the horizontal velocity of a projectile is constant (a value that never changes). Each second, a projectile's vertical velocity changes by 9.8 m/s, yet its horizontal motion is unrelated to that of the projectile's vertical motion.
How do horizontal and vertical motion relate to one another?A projectile's vertical and horizontal motions are independent, meaning they have no bearing on one another. A projectile's two-dimensional motion can be broken down into its two 1-D motions, horizontal and vertical.
To know more about acceleration visit:-
https://brainly.com/question/12550364
#SPJ4
The radius of a wheel is 0.900 m. A rope is wound around the outer rim of the wheel. The rope is pulled with a force of magnitude 5.00 N, unwinding the rope and making the wheel spin CCW about its central axis. Ignore the mass of the rope.
What is the angular displacement Δθ, in radians, of the wheel during 1.20 revolution?
Answer:
θ = 2 π N angle subtended in N revolutions (2 π rad / Rev)
θ = 2 π * 1.2 = 2.4 π angle subtended in 1.2 rev
28.4 g of iron shot is added to a graduated cylinder containing 46.10 ml of water. the water level rises to the 49.20 ml mark, calculate the density of iron using these information.
The density of iron, divide the mass of iron (28.4 g) by the volume of water it displaced (49.20 - 46.10 ml = 3.10 ml). So, the density of iron is 28.4 g / 3.10 ml = 9.16 g/ml.
Density is a measure of the mass of a substance per unit of volume. It is typically expressed in grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³). The density of a substance is determined by its composition and structure.
For example, water has a density of 1 g/cm³, while iron has a density of 7.86 g/cm³.
Learn more about density of iron
https://brainly.com/question/28290966
#SPJ4
there are three general types of spectra: continuous, emission, and absorption. each is characterized by a different distribution of the wavelengths (i.e., colors) of radiation. sort the images of the three types of spectra into the appropriate bins.
Based on the spectrum images, the categorization is the following: image 1 (continuous spectrum), image 2 and image 5 (absorption spectrum), image 3 and 4 (emission spectrum).
A continuous spectrum contains all light wavelengths within a specific range. Hot, dense light sources, such as stars, emit a practically continuous spectrum of light that travels in all directions and interacts with other things in space.
An absorption spectrum occurs when starlight passes over a cloud of gas. Some of the light is absorbed and the rest is transmitted. The wavelengths of light absorbed are determined by the elements and compounds used. Dark lines or gaps in the spectrum correspond to wavelengths absorbed by the gas in an absorption spectrum.
Starlight can also excite the atoms and molecules within a cloud of gas, causing it to radiate light. The spectrum of light emitted by a gas cloud is determined by its temperature, density, and composition. An emission spectrum is made up of a sequence of colored lines that correspond to the wavelengths of the illuminating gas.
Let's number the images as in the attached picture. Based on the above description, we can conclude:
Continuous spectrum: image 1
Absorption spectrum: image 2 and 5, since there are dark lines or gasp in the spectrum
Emission spectrum: image 3 and 4, since there are several colored lines in dark background.
Learn more about spectrum here:
https://brainly.com/question/19042165
#SPJ4
An astronaut is doing a spacewalk on a long tether at 0.1 km away from the International Space Station (mass of 420,000 kg). His spacesuit includes a very sensitive gravitometer, which indicates the gravitational force acting on the astronaut and his spacesuit from the ISS is 7.0 E−7 N. What is the mass of the astronaut in his suit if G = 6.67 E−11 N*m2/kg2?
Group of answer choices
150 kg
200 kg
300 kg
250 kg
The mass of the astronaut is 250 kg.
option D.
What is the mass of the astronaut?
The mass of the astronaut is calculated by applying Newton's law of universal gravitation as follows;
F = ( G Mm ) / ( R² )
where;
G is universal gravitation constantM is the mass of the space stationm is the mass of the astronautR is the distance between the space station and the astronautGMm = FR²
m = ( FR² ) / ( GM )
m = ( 7 x 10⁻⁷ x 100² ) / ( 6.67 x 10⁻¹¹ x 420,000 )
m = 250 kg
Learn more about gravitational force here: https://brainly.com/question/72250
#SPJ1
__________ is very small drops of water similar to mist, and it is very light causing it to fall slowly.
Drizzle is very small drops of water similar to mist, and it is very light causing it to fall slowly.
What is gravity?Gravity is the force that pulls items toward the center of a planet or other entity. The gravitational pull keeps all of the planets in orbit around the sun. Gravity always causes things to accelerate at a rate of 9.8 m/s2 as it pushes them toward the earth. Unless air resistance affects one item more than another, all things accelerate at the same rate owing to gravity, regardless of mass differences. Gravity, often known as gravitation, is a force that exists between all physical things in the universe. The force of gravity seeks to draw any two objects or particles with nonzero mass toward one other. Gravity affects things of all sizes, from subatomic particles to galaxy clusters.
To know more about gravity,
https://brainly.com/question/14155948
#SPJ4
If a heat engine is operating between two temperatures (QH>QC), what is the maximum efficiency attainable?
When a heat engine is operating between two temperatures (QH>QC), the maximum efficiency attainable is Carnot efficiency .
What is Carnot Efficiency?
Carnot efficiency is the maximum theoretical efficiency of a heat engine, defined as the ratio of the work done by the engine to the heat absorbed from a high temperature source, as described by the Carnot cycle.
It is considered as the most efficient possible cycle for converting heat into useful work, and serves as an upper bound for the efficiency of all heat engines.
The Carnot efficiency is expressed as a function of the temperature difference between the hot and cold sources, and is independent of the working fluid or materials used in the engine.
Learn more about Carnot efficiency here: https://brainly.com/question/25819144
#SPJ1
draw a two-dimensional representation of a charged point object. specify a convenient x-y coordinate system to describe the electric field of the object in a plane
A hypothetical charge that is situated at a single location in space is a point charge.a scale of length used to describe an electron's size, can be used to classify an electron size even though it is frequently referred to as a point charge.
In an electric field, what exactly is a point charge?The area of space immediately surrounding a charged particle (also known as a point charge or a source charge) develops an electric field. The electric field version of Coulomb's Law is represented by this. In fact, the remainder of the cosmos is the area of space surrounding a charged particle.
We evaluate point charges for what reasons?Point charges in physics refer to bodies that are exceedingly small in size relative to their distance from one another. Due to how simple it is to determine the attraction force or repulsion between them, we therefore treat them as point charges.
To know more about point charges visit:
https://brainly.com/question/14531929
#SPJ4
determine the magnitude of its acceleration when it is at point a . express your answer to three significant figures and include the appropriate units.
v=67.5 m/s is the value magnitude of the acceleration when expressed in terms of three significant figures as well as the relevant units.
What is the magnitude?In terms of physics, magnitude is just "distance or quantity." It displays an object's size, direction, or motion in absolute or comparative terms. It is employed to indicate the size or scope of something. In physics, the term "magnitude" often refers to the a size or amount.
A magnitude example is what?A thing's magnitude is its size. For instance, a bike moves more fast than a car when it comes to speed. In this instance, the car or the bike go at varying speeds. It displays the size or direction of an object's motion, whether it be absolute or relative.
To know more about magnitude visit:
https://brainly.com/question/1313542
#SPJ4