We can express the answer using two significant figures, which would be [tex]"750 kg/m^3".[/tex]
What is the mass of the cube?To find the mass of the cube, we need to know the density of the material it is made of. The density of an object is its mass per unit volume. If the cube floats so that it is 75% in the water and 25% in the oil, then its average density is equal to the weighted average of the densities of water and oil.
Let's assume that the density of water is 1000 kg/m^3 and the density of oil is 800 kg/m^3. The average density of the cube would be:
[tex](0.75 * 1000 kg/m^3) + (0.25 * 800 kg/m^3) = 750 kg/m^3.[/tex]
Since the cube is floating, its density must be equal to or less than the density of the liquid it is in, which in this case is [tex]750 kg/m^3.[/tex] So, we can calculate the mass of the cube using its volume and average density:
[tex]mass = volume * density = V * 750 kg/m^3[/tex]
Without knowing the volume of the cube, we cannot determine its exact mass. However, we can express the answer using two significant figures, which would be [tex]"750 kg/m^3".[/tex]
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Identify the law which states that the total momentum of an isolated system remains conserved. Give an example to explain the law.
The law of momentum conservation may be stated as follows. For a collision taking place amongst object 1 and object 2 in an isolated device, the whole momentum of the 2 gadgets earlier than the collision is equal to the whole momentum of the two items after the collision.
In Newtonian mechanics, momentum (more mainly linear momentum or translational momentum) is the made of the mass and velocity of an object. it's miles a vector amount, possessing a magnitude and a route. If m is an item's mass and v is its pace (also a vector quantity), then the item's momentum p
p=mv
Within the global device of units (SI), the unit of size of momentum is the kilogram metre according to second (kg⋅m/s), that's equivalent to the newton-2nd.
Newton's second law of motion states that the fee of exchange of a frame's momentum is identical to the net pressure performing on it. Momentum depends on the frame of reference, however in any inertial body it's miles a conserved amount, which means that if a closed machine is not affected by external forces, its total linear momentum does not alternate.
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it takes 1100 j of work to stretch a spring from its natural length of1 m to a length of 4m. find the force constant of the spring
The force constant of the spring is 366.67 N/m.
The force constant (k) of a spring is calculated using Hooke's Law, which states that the force (F) exerted by a spring is equal to the product of its force constant (k) and the displacement (x) of the spring from its natural length (L). Therefore, the force constant (k) can be found using the following formula:
k = F / (x-L)
In this case, F = 1100 J, x = 4 m, and L = 1 m.
Plugging these values into the equation, we get:
k = 1100 J / (4 m - 1 m)
k = 1100 J / 3 m
k = 366.67 N/m
Therefore, the force constant of the spring is 366.67 N/m.
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Why is the plane of our solar system's planets not perpendicular to the sun's rotational axis?
The plane of our solar system's planets is not perpendicular to the sun's rotational axis because the solar system did not form as a rigidly rotating disk. Instead, it formed through a process known as gravitational collapse.
What is Sun's rotational axis?The sun's rotational axis is an imaginary line that runs through the sun's center and perpendicular to its surface. This axis is used to describe the orientation of the sun's rotation, which occurs around this axis.
Does the sun rotate around anything?The sun does not rotate around anything. It is the center of our solar system, and all the planets, including Earth, orbit around it. The sun rotates on its own axis.
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Will the daylight duration increase as you go north on June 21?
Answer:
Below
Explanation:
Yes ....due to the 23° tilt toward the sun, after the spring equinox and before the autumnal equinox, everyplace NORTH of you will have longer days than your place. ( in the Northern hemisphere)
how much work must be done to compress the gas by a factor of 12.0, starting from its initial volume?
The work must be done to compress the gas by a factor of 12.0, starting from its initial volume = 11472 Joules
Isothermal compression is another name for this phenomenon. Another name for the work done by gases is pressure-volume, or PV. Consider a piston that contains gas. Gas can enter and exit the piston through two tubes, which can govern the piston's movement.
Following are the calculations for the labor involved in compressing the gas to half its initial volume and by a factor of 12:
W = PΔv
Where,
W = work done (Joule)
P = pressure
v = volume
W1/Δv1 = W2/Δv2
Hence,
W2 = (478 x 12) / 0.5
= 11472 J
The question is incomplete, it should be:
478 J of work must be done to compress a gas to half its initial volume at constant temperature. How much work must be done to compress the gas by a factor of 12.0, starting from its initial volume?
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a block starts at rest and slides 5 meters down a frictionless incline with angle 36.87 degrees between the incline and the horizontal. what is the speed of the block after sliding this 5 meters?
Using conservation of energy, The speed of the block after sliding this 5 meters 3.76 m/s
What exactly is energy conservation?The conservation of energy is a fundamental principle of physics, according to which energy can only be transformed from one form to another and cannot be created or destroyed. In a closed system, the total amount of energy stays constant even though the forms and distribution of the energy may change.
This theory's fundamental tenet is that energy is a property of matter and that it is preserved while matter moves and assumes various forms. There are many other forms that energy can take, including kinetic energy (movement), potential energy (position), thermal energy (heat), electrical energy (electricity), chemical energy (chemical processes), and nuclear energy (nuclear reactions).
The idea of energy conservation is essential to many scientific and engineering fields, including energy management, physics, thermodynamics, and mechanics.
The equation for the conservation of energy can be used to determine the block's speed after sliding 5 meters down a frictionless incline at an angle of 36.87 degrees from the horizontal:
v² = 2gh
If h is the vertical height to which the block has fallen, given by h = 5 sin, and v is the block's final velocity, g is the acceleration caused by gravity (about 9.8 m/s) (36.87).
Substituting these values, we find that:
[tex]v =\sqrt{ (2gh)} =\sqrt{ (2 \times 9.8 \times 5 \times sin(36.87)) } = 3.76m/s[/tex]
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the requirement for permitting an ungrounded branch-circuit conductor to be spliced within an enclosure containing a panelboard would be found in which article of the nec?
The requirement for permitting an ungrounded branch-circuit conductor to be spliced within an enclosure containing a panelboard would be found in which article of the nec is Article 312, cabinets, cut out boxes, and meter socket enclosures.
What is conductor?A conductor, often known as an electrical conductor, is a material or substance that permits electricity to flow through it. When a voltage is given to a conductor, electrical charge carriers, generally electrons or ions, flow readily from atom to atom. Conductors are those substances that allow electricity to flow through them. Insulators are compounds that prevent electricity from flowing through them. Copper, aluminum, gold, and silver are examples of common conductors. Glass, plastic, rubber, and wood are examples of common insulators.
Here,
The requirement for permitting an ungrounded branch-circuit conductor to be spliced within an enclosure containing a panelboard would be found in Article 310 of the National Electrical Code (NEC). Article 310 covers the requirements for conductors and splices in electrical systems and includes specific provisions for splicing conductors within enclosures. The NEC sets standards for electrical installations and is widely adopted by local authorities in the United States.
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whenever the net force on an object is zero, its acceleration group of answer choices is zero. may be more than zero. may be less than zero.
Whenever the net force on an object is zero, its acceleration is also zero.
When a body is at rest, force, which might take the form of pushes or pulls, tries to or really does induce motion.
Newton's second law of motion, expressed in driven form, says that
F=m.a.
Where F is force,
m is mass, and
a is acceleration.
When F is Zero, then m.a = zero
If there is no acceleration, the body will continue to move at its previous speed.
This speed could be zero or any other value.
The body is at rest at zero speed. That being said, it does not imply that the item should be at rest.
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what force would a proton experience in the same field?
A proton would receive a force of − 2.40 × 10−13 N ^i − 2.40 × 10 − 13 N i ^ , which is accurate to three significant numbers, in the same field.
Will there be a force acting on an electric field when a proton is in it?The proton will feel a force that is parallel to a electric field, and the particle will feel a force that is opposite the electric field. Due to the electron's and proton's distinct masses, the acceleration brought on by this force will change for each particle.
What force is present when an electric field is applied to a proton and to an electron?An electron seems to be a negative charges particle of equivalent size to a proton, which is positively charged. As a result, when exposed to the an electric field, they will experience the very same amount of energy force. As a result, the relationship between acceleration and mass will be inverse.
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a sphere of radius 8 mm has total charge of 160 mc (milli-coulomb) distributed uniformly over its volume. four mathematical spheres are drawn concentric to the charged sphere, i.e., with the same center. the radius of the four spheres are (a) 4 mm; (b) 8 mm; (c) 16 mm and (d) 32 mm. what is the charge inside each of the four spheres?
The correct option is C, the charge inside each of the four spheres is QA= 20 mC, QB = QC=QD = 160 mC.
The Charge density of sphere ρ = q/v = q / (4/3 πr^3)
ρ = 160mC / (4/3 π(8mm)^3)
Charge inside 4mm sphere => QA= ρ.V' = ρ. 4/3 π.(4mm)^3
=> QA= 160mC / (4/3 π(8mm)^3) x 4/3 π.(4mm)^3
=>QA= 160mC . 1 / 2^3
=> QA= 160mC / 8
=> QA= 20mC
QB = QC = QD = 160mC
Charge density is the measure of the amount of electrical charge per unit of volume in a material. It is a scalar quantity and is expressed in units of Coulombs per cubic meter (C/m3). The charge density of a material is proportional to the number of electric charges present in a given volume and can be either positive or negative. It is an important physical property of materials and plays a crucial role in many electrical and electronic applications.
In materials that conduct electricity, the charge density can vary depending on the type and distribution of charges in the material. For example, in metals, the charge density is relatively uniform, while in insulators, it can be highly non-uniform. In dielectrics, the charge density is proportional to the electric field and is used to calculate the capacitance of a capacitor.
The concept of charge density is also important in the study of plasma, where the charge density can be quite high and play a major role in determining the behavior of plasma. In such cases, the electric fields produced by the charge density can significantly affect the motion of charged particles in the plasma.
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Complete Question: -
A sphere of radius 8 mm has total charge of 160 mC (milli-Coulomb) distributed uniformly over its volume. Four mathematical spheres are drawn concentric to the charged sphere, i.e., with the same center. The radius of the four spheres are (A) 4 mm; (B) 8 mm; (C) 16 mm and (D) 32 mm.
What is the charge inside each of the four spheres?
(a.) QA= 80 mC, QB = 160 mC, QC =320 mC, QD= 640 mC
(b.) QA=20 mC, QB= 80 mC, QC= 40 mC, QD=10 mC
(c.) QA= 20 mC, QB = QC=QD = 160 mC
(d.) QA= 80 mC, QB = QC=QD = 160 mC
Which factors cause transitions between the solid and liquid state? Check all that apply. The increase in pressure of most liquids can lead to the transition to the solid phase. In general, an increase in pressure promotes the formation of a less dense phase. The increase in pressure of most liquids cannot lead to the transition to the solid phase. The decrease in pressure of most liquids can lead to the transition to the solid phase. In general, an increase in pressure promotes the formation of a denser phase. Part B Which factors cause transitions between the liquid and gas state? Check all that apply. a. A gas can be converted into a liquid by decreasing the pressure of a gas sample. b. A gas can be converted into a liquid by increasing the pressure of a gas sample. c. A gas cannot be converted into a liquid by increasing the pressure of a gas sample. d. In general, an increase in pressure promotes the formation of a less dense phase. e. In general, an increase in pressure promotes the formation of a denser phase
A decrease in pressure for most liquids can result in a transition to the solid phase, while generally speaking, a rise in pressure encourages the formation of a denser phase.
What is pressure and its SI unit?Pressure is characterised as the thrust acting per unit area of a body (perpendicular force on a surface). Mathematically, it can be stated as follows: Pascal is the SI unit of pressure (Pa). One Pascal is the amount of pressure one Newton of force produces over a one-meter-squared surface. In addition, 1 P a = 1 N / m 2.
What type of energy is pressure?Air pressure is described as the average relative motion per unit area per unit time caused by colliding particles between a fixed amount of gas and its boundary in the physical laws of ideal gas law. Pressure is defined as Force per Area. The force multiplied by the area in which the force is applied is the equation for pressure.
These factors are what induce transitions between the solid and liquid states. Which of the following factors (a) and (b) causes transitions between the liquid and gas states (e).
Which circumstances lead to changes from the liquid to gas state are discussed in Part B The pressure of a gas sample can be reduced to turn it into a liquid, and an increase in pressure often encourages the creation of a denser phase.
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when a light bulb is connected to a 4.5 v battery, a current of 0.12 a passes through the bulb filament. what is the resistance of the filament?
The resistance of the filament is 37.5 Ohm. The result is obtained by using Ohm's law.
What is Ohm's law?Ohm's law states that the current passing through an electrical circuit is directly proportional to the voltage across two points.
It can be expressed as
I = V/R
Where
I = electrical current (A)V = voltage applied (V)R = resistance (Ohm)A light bulb is connected to a 4.5 V battery. The current passes through the bulb filament is 0.12 A. Find the resistance of the filament!
We have
V = 4.5 VI = 0.12 AUsing the formula above, we can get the resistance.
I = V/R
0.12 = 4.5/R
R = 4.5/0.12
R = 37.5 Ohm
Hence, the bulb filament has a resistance of 37.5 Ohm.
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In Pem Davidson Buck's Derailing Rebellion: Inventing White Privilege:
1. How was race constructed in the early days of colonization?
2. How was white privilege established?
In Domination and Subordination:
1. What does it mean to be in a double bind? Provide an example.
Answer:among
Explanation:r:among r:among r:among r:among r:among r:among r:among
what electric field is necessary to drive a 8.0 a current through a silver wire 0.65 mm in diameter?
The electric field is necessary to drive a 8.0 amp current through a silver wire 0.65 mm in diameter is 0.38 V/m.
The current is = 8 amp
The diameter = 0.65 mm
The electric field expression is as follows :
E = ρ J =
E = ρ I / A
A =( 1 / 4 ) π d²
E = 4 (1.59 × 10 ⁻⁸ ) ( 8 ) / 3.14 × ( 0.65 mm )²
E = (50.8 × 10 ⁻⁸ ) / 1.32
E = 0.38 V/m
Thus, the electric field used to drive the current is 0.38 V/m.
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Starting at the same time, an arrow and a ball are shot horizontally with a speeds of 50 m/s and 44 m/s respectively from the top of a building over flat ground. which best describes what happens?
Which best describes what happens is The arrow and the ball will hit the ground at the same time, as their vertical motion is unaffected by their horizontal motion. The time it takes for an object to fall to the ground can be calculated using the formula: t = [tex]\sqrt{(2h/g)}[/tex], where h is the height of the building and g is the acceleration due to gravity (9.8 m/s^2)
Velocity is a measure of the rate of change of an object's position with respect to time. It is a vector quantity, which means it has both magnitude and direction. In physics, velocity is often symbolized by the letter "v" and is calculated as v = Δd/Δt, where Δd is the change in an object's position (displacement) and Δt is the change in time.
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connect the short open-ended bnc cable to the vna. how does the smith chart display change? is this consistent with your understanding? now connect the longer bnc cable to the output. measure the length of the cable with a ruler and estimate the wavelength in the cable and the effective dielectric constant of the cable. is there any indication of increasing losses in the bnc cable as frequency increases?
When you connect a short, open-ended BNC cable to the VNA, the Smith chart display will not change, as the open-ended cable will not affect the impedance of the measurement. When you connect a longer BNC cable to the output], the Smith chart will change depending on the length of the cable and the frequency of the signal. The longer the cable, the bigger the change will be.
You can measure the length of the cable with a ruler and estimate the wavelength in the cable. The effective dielectric constant of the cable can be estimated using the formula εr = (c/v)2 - 1, where c is the speed of light and v is the velocity factor of the cable.
There may be an indication of increasing losses in the BNC cable as frequency increases, as higher frequencies will be attenuated more than lower frequencies.
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in a system of gas, if we double the temperature what happens to the energy of the particles?
The average kinetic energy of a gas's particles will double if its temperature is doubled. The average kinetic energy of a gas's particles is directly proportional to its temperature.
What is a energy in science?Energy is defined as the "capacity to accomplish work," which refers to the capability of exerting a force that makes an object move. Although the definition is ambiguous, the meaning is obvious: energy is simply that force that causes objects to move. The two types of energy are potential and kinetic energy. In physics, energy is the quantifiable characteristic that is transferred to a body or even a physical system. Energy is visible in the performance of labour and also in the form of heat and light. Energy is a resource that cannot be generated or destroyed; instead, it can only be converted from one form into another in accordance with the law of conservation of energy.
Why energy is important?Modern medical technology, transportation, communications, computers, and many other items are all powered on energy. It might even save a person's life. One of the important sources of energy is the sun. The sun, from which all energy emanates, provides the majority of the energy used on Earth. In addition to giving us solar thermal energy, sunlight also enables solar (photovoltaic) cell to produce electricity.
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a satellite is traveling in a circular orbit around mars at an altitude of 180 mi. after the altitude of the satellite is adjusted, it is found that the time of one orbit has increased by 10 percent. knowing that the radius of mars is 2071 mi, determine the new altitude of the satellite.
The speed of a satellite in a circular earth is constant. The gravity pressure between the Earth itself and satellite keeps the percentage at 10%, but nothing is accomplished. The radius to Mars is 2071 miles.
Why does a satellite traveling in a circular path maintain a constant speed whereas doing so in an elliptic orbit changes?The quantity of the flow speed cannot be influenced by the inward force because perpendicular elements of mobility are independent of one another. Because of this, there is no accelerating in the tangential direction, and the satellite continues to move continuously in a circle.
What happens to a satellite's speed as it approaches Earth?The more closely two items are to one another, the greater the gravitational attraction between them. The acceleration will increase if the force they share is bigger. The acceleration and velocity change increase with increasing acceleration, which accelerates the item.
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an inquisitive physics student and mountian climber climbs a 44.3 m cliff that overhangs a calm pool of water. he throws two stones vertically downward, 0.75 s apart and observes that they cause a single splash. the first stone has an initial velocity of 1.75 m/s. how long after release of the first stone do the two stones hit the water?
It will take 6.7secs to hit second stone after the first stone of velocity 1.75m/s.
We set [tex]y_{i}[/tex] =0 at the top of the cliff, and find the time interval required for the first stone to reach the water using the particle under constant acceleration model:
[tex]y_{r} = y_{i} + v_{yi}t + \frac{1}{2} a_{y} t^{2}[/tex]
If we take the direction downward to be negative,
[tex]y_{f} = -44.3 m, v_{yi} = -1.75 m/s, and a_{y} = -9.80m/s^{2}[/tex]
Substituting these values into the equation, we find
[tex](4.90m/s^{2} )t^{2} + (1.75m/s)t - 44.3m = 0\\[/tex]
We now use the quadratic formula. The stone reaches the pool after it is thrown, so time must be positive and only the positive root describes the physical situation:
[tex]t = -1.75m/s + \sqrt{1.75m/s^{2} - 4(4.90m/s^{2} (- 44.3m)} / 2(4.90m/s^{2} )[/tex]
t = 6.7 s
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A California geothermal power plant generates 4.3 MW by extracting 24 MW of heat from an underground source at 108° C and then discharging waste heat into the 17° C air. What is the actual efficiency of the plant?
The actual efficiency of the plant is [tex]17.9[/tex]%.
What do you understand by geothermal power?Geothermal power is a form of renewable energy that harnesses heat from the Earth's interior to generate electricity. This heat is captured through geothermal wells or reservoirs and used to drive a turbine to generate electricity.
What are the heat sources of geothermal power?The heat sources can be found in areas with volcanic activity or hot springs. Geothermal power is considered a clean and sustainable source of energy, as it emits deficient levels of greenhouse gases compared to fossil fuel power plants.
The actual efficiency of geothermal power will be:
Efficiency = (Net electrical output) / (Heat input)
Net electrical output [tex]=4.3 M W[/tex]
Heat input [tex]=24MW[/tex]
Therefore, Efficiency [tex]=4.3/24=0.179[/tex] or [tex]17.9[/tex]%.
So, the actual efficiency of the plant is [tex]17.9%[/tex]%.
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if a ball is thrown directly upward with a velocity of 76 feet per second, its height (in feet) after seconds is given by . what is the maximum height attained by the ball?
When hurled at an angle to the horizontal, a projectile can only rise to a height that is half its horizontal range. The length of a ball is represented by the equation h(t)=-16t+48t+160, where T is the launch time.
Is 0 always the highest point?Any projectile that reaches its maximum height has zero instantaneous speed. Because gravity provides the ball a same velocity on the way up (slowing) as on the way down, the time required for the ball to travel to its highest point and return to its launch position is equal (speeding it up).
How do you determine a function's maximum and lowest height?The vertex, which is a maximum (or lowest) in a parabola, can be located by solving the square (yuck!) or by using the formula x = -b/2a. By adding this x value back into the previous equation, which corresponds to the vertex's x, we may get the associated maximum height.
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each of the figures shows the path of a charged particle moving in the plane of the page in a magnetic field that is perpendicular to the page. if the mass, speed, and charge of the particle are the same, in which case does the field have the greatest magnitude?
In a homogeneous magnetic field, a positive charge particle travels in a clockwise, circular motion parallel to the surface of the page.
How do you determine a particle's path?Find the particle's x and y coordinates as just a function of the time before taking the time factor out of the equation to determine the trajectory of the particle. The support implementation of the automobile with respect to its origin is denoted by the formula r = atibt2j, in which a & b are constants.
What direction do magnetic field lines travel?A free north-pole will often move along a magnetic field line. Placing a tiny compass needle at a spot will reveal the magnetic field's direction. The direction of the magnetic field at a certain location is indicated by the compass's N-pole.
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a projectile is launched at an initial speed (magnitude of velocity) at an angle above the horizontal. if the horizontal (to the right) is denoted as the direction and vertical (upward) as the direction, what are the x- and y-components of the initial velocity of this projectile?
The x and y-components of the initial velocity of the projectile are [tex]V_x = v_o cos\theta[/tex] and [tex]v_y = v_osine\theta- gt[/tex]respectively.
Projectile motion is what?When a particle is launched obliquely near the surface of the earth, it travels along a curved path while accelerating continuously in the direction of the planet's core (we assume the particle remains close to the surface). Such a particle's motion is known as projectile motion, and its path is known as a projectile.
A projectile motion is the simultaneous occurrence of two different rectilinear motions:
• Uniform velocity along the x-axis, which drives the particle's forward (horizontal) motion.
• Uniform acceleration down the y-axis, which drives the particle's downward (vertical) motion.
Applying 1st equation of motion on the x-axis,
[tex]Vx = v_ocos\theta + (0)t \\Vx = v_o cos\theta[/tex]
Applying the same 1st law of motion on the y-axis,
[tex]V_y=v_osine\theta - gt[/tex]
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What is integration of rational functions by partial fractions?
The integration of rational functions by partial fractions is a/(x-p) + b/(x-q) + ... + n/(x-z). The indefinite integral of each partial fraction can be found by ∫f(x)dx = 2 ln(x-1) + ln(x+1) + C, where C is the constant of integration.
How can one determine when to integrate partial fractions?
If the degree of the denominator is significantly smaller than the degree of the numerator, only partial fractions are possible. It's crucial to note this. You must factor the denominator as completely as feasible once you have realized that partial fractions can be calculated.
How are fractions integrated?The top and bottom of the fraction must be multiplied or divided by a number if you are asked to integrate a fraction. Sometimes it will be beneficial to divide a fraction into smaller parts before attempting to integrate it. For this, you can employ the partial fractions method.
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ANSWER THESE (EARTH SYSTEMS) QUESTIONS GET A BRAINLY AND FREE PINTS
The galaxies are moving away from us.
The galaxy is many thousands to hundreds of millions of the stars held together by gravity; typically surrounded by black hole at the center.
Cosmic background radiation is leftover heat from Big Bang.
What is galaxy?A galaxy is a vast collection of stars, solar systems, gas, and dust. Gravity holds a galaxy together. A supermassive black hole also resides in the center of our galaxy, the Milky Way.
You see additional stars in the Milky Way as you look up at the stars in the night sky. According to some researchers, the universe may contain as many galaxies as there are stars.
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suppose you are using gauss's law to find the magnitude of the electric field e a distance r outside a charge distribution with spherical symmetry. what would be the electric flux through the gaussian surface that you choose? hint: the left-hand side of gauss's law.
In this case, we would mainly choose a spherical Gaussian surface of radius r which is centered on the charge distribution. The electric flux through this surface would then be proportional to the total charge enclosed within the sphere, that is proportional to the electric field at a distance r:
Φ = 4πr²E
where E is the magnitude of the electric field at a distance r.
According to Gauss's law the electric flux through a closed surface is proportional to the charge enclosed within the surface:
Φ = Q / ε0
where Φ is the electric flux, Q is the charge enclosed within the surface, and ε0 is the vacuum permittivity.
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which answer best describes what the surface of the earth would be like if you could travel back to the time when the earth first formed as a planet?
It will be very difficult to if you could travel back to the time when the Earth first formed as a planet.
When Earth first formed as a planet, the surface would be extremely hostile and inhospitable and life won't be possible. It was just molten volcanic land with no water or ocean.
Atmosphere and life were also not formed at that time. During the first period of time the temperature of Earth's atmosphere was extremely high and collisions were continuously happening between celestial bodies.
The heat produced in the atmosphere thus was in a state of molten volcanic state. Just magma and lava. High temperature prevented the formation of oceans and thus life also.
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A light curve for a star measures how its brightness changes with
A star's light curve demonstrates how that is brightness changes as time passes.
What is the straightforward meaning of time?Duration is the length of time, either measured or unmeasured, that an action, process, and situation lasts or continues. a nonspatial continuum defined as the succession of events from the past through the present and into the future.
What is time in universe?However, Einstein proposed the idea of eternity as the three - dimensional space, indicating the irreducible connection between space and time. His relativity general theory (opens in new tab) postulates that the momentum and mass of adjacent matter determine how much space-time expands and contracts.
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if two electrons are placed each 2.11e-10 m from a proton as shown, what is the magnitude of the net electrical force they exert on the proton (in newtons)?
The total of the individual forces that each electron applied to the proton would be the net force acting on it. A net force of roughly 1.67 * 10-8 N would result from this.
How powerful is the electrical force between a proton and an electron?
According to Coulomb's law, which states that the electrical force between two charged particles is proportional to the product of their charges and inversely proportional to the square of their distance, the electrical force between an electron and a proton has a maximum value. The formula F = k * |q1 * q2| / d2 can be used to determine the strength of the electrical force between an electron and a proton.
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if you go on both rides, can you be confident that your wait time for speed slide will be longer than your wait time for wave machine?
Answer:no
Explanation:
Answer: No. There is a lot of overlap in the two data sets.
Explanation:
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