The 96th harmonic of the stopped pipe has the same frequency as the third harmonic of the open pipe.
The frequency of a harmonic in an organ pipe depends on the length of the pipe, the type of end (open or stopped), and the harmonic number.
For an open pipe, the frequency of the nth harmonic is given by:
f_n = n * v / 2L
where n is the harmonic number, v is the speed of sound in the medium (air), and L is the length of the pipe.
For a stopped pipe, the frequency of the nth harmonic is given by:
f_n = n * v / 4L
where n is the harmonic number, v is the speed of sound in the medium (air), and L is the length of the pipe.
Given that the stopped pipe has a length of 16 times shorter than the open pipe, we can write:
L_stopped = L_open / 16
Comparing the frequency of the third harmonic of the open pipe with the frequency of some harmonic of the stopped pipe:
f_3,open = 3 * v / 2L_open = f_n,stopped = n * v / 4L_stopped
Solving for n, we get:
n = (3 * 2L_open) / (4 * L_stopped) = 3 * 2 * 16 = 96
A harmonic number is a mathematical concept that appears in various areas of mathematics, including number theory and calculus. It is defined as the sum of the reciprocals of the positive integers up to a given positive integer. For example, the first few harmonic numbers are 1, 1.5, 1.833, 2, 2.083, 2.166, etc.
In mathematical notation, the nth harmonic number can be expressed as the sum of the reciprocals of the first n positive integers:
H_n = 1 + 1/2 + 1/3 + 1/4 + ... + 1/n
Harmonic numbers have various properties and applications in mathematics and physics. For example, they are used to approximate the logarithm function, to study the distribution of primes, and to model various physical phenomena, such as the behavior of fluids in porous media.
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assuming that sea water is a 3.5 percent by mass solution of nacl in water, calculate its osmotic pressure at 20°c. the density of a 3.5% nacl solution at 20°c is 1.023 g/ml.
The osmotic pressure of the 3.5% NaCl solution at 20°C is 1.36 atm.
What is osmotic pressure?Osmotic pressure is the pressure that is required to be applied to a solution to prevent the flow of water across a semi-permeable membrane from the side of the solution with lower solute concentration to the higher solute concentration side.
What is the significance of osmotic pressure?Osmotic pressure is important in many biological processes, such as the transport of water across membranes. It is also important in industrial processes, such as water treatment, food preservation, and the production of various products, like pharmaceuticals and cosmetics.
First, we need to convert the concentration of the solution from percent by mass to molarity:
3.5% NaCl by mass = (3.5 g NaCl/100 g solution) / (58.44 g/mol NaCl) = 0.06 mol/L NaCl
Now, N = (0.06 mol/L)(0.0821 L atm/mol K)(293 K) = 1.36 atm
Therefore, the osmotic pressure of the 3.5% NaCl solution at 20°C is 1.36 atm.
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a car is driving down a flat road at constant velocity. what can you say about the net force acting on the car?
The net force acting on the car is zero.
Why is the net force acting is zero?The automobile driving to the right at a constant speed has a constant velocity. There is no acceleration. The overall force applied to the car is zero.To keep the car moving at a constant speed, the net force acting on it should be zero. The force applied by the engine to maintain velocity should be equal to the total frictional force exerted on the vehicle.
The net force in mechanics is the vector sum of forces exerted on a particle or object. The net force is a single force that cancels out the effect of the original forces on the motion of the particle. It causes the particle to accelerate at the same rate as all of the actual forces combined, as indicated by Newton's second law of motion.
It is possible to calculate the torque associated with the point of application of a net force in order to keep the object's jets moving under the original system of forces. Its related torque, the net force, becomes the resultant force and has the same influence on the object's rotational motion as all actual forces combined.
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a distant star is moving away from the earth at 1/3 of the speed of light. standing on the star, the light will travel towards the earth at the speed of light. how fast will light be moving as measured on the earth?
Whenever a distant star is traveling away from the planet at a pace of 1/3 the speed of light, then speed of light will be moving as it is observed on Earth. The light will reach globe at the faster than light if it were on a star.
Does light imply it isn't heavy?Something that is light as an adjective is not heavy, onerous, or depressing. A discussion subject or a musical piece may both be light, just like a backpack. For instance, The weight is small, but the path is lengthy.
Who made light possible?Using a bank of battery and two charcoal rods, Humphry Davy showed the first blazing light to the National Institute in Great Britain. Arc lamps were used in the first electric streetlights in several places.
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if a block is moving to the left at a constant velocity, what can one conclude?
Answer:
I will continue to go left untill forces such as gravity and friction act uppon it.
Explanation:
assume the trajectory featured in figure 4.6b (p. 84 of text and reproduced below) is of a ball thrown near the surface of the earth, and the y axis points vertically upward. is the ball only under the influence of gravity?
Assuming that the ball is thrown near the surface of the Earth and the y-axis points vertically upward, then the ball is certainly under the influence of gravity.
Gravity is a force that acts on all objects with mass, and it causes objects to accelerate toward the center of the Earth. When a ball is thrown near the surface of the Earth, it experiences a downward force due to gravity that causes it to follow a parabolic trajectory.
However, other forces could also be acting on the ball depending on the specific situation. For example, if the ball is being thrown horizontally, it will experience air resistance or drag, which could affect its trajectory.
If the ball is being thrown at an angle, it will experience a combination of horizontal and vertical forces, and the trajectory will depend on the relative magnitudes and directions of those forces.In summary, while the ball is definitely under the influence of gravity, other forces could also be at play depending on the specifics of the situation.
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Find the volume of a cube measuring 5 cm on each side.
The volume of a cube measuring 5 cm on each side is 125cm³.
How to calculate volume?Volume is a three-dimensional measure of space that comprises a length, a width and a height.
It is measured in units of cubic centimeters in metric, cubic inches or cubic feet in English measurement.
A cube is a regular polyhedron having six identical square faces. The volume of a cube can be calculated using the following formula:
Volume of a cube = L³
Volume of the cube with side 5cm = 5³ = 125m³
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we can only do ideal calculations when we are at standard temperature and pressure. (True or False)
It is true that we can only perform ideal calculations under normal pressure and temperature.
What is the usual temperature and pressure?The nominal air temperature at sea level are referred to as STP, or normal temperature and pressure. The conditions are 0 °C and 1 atmosphere of pressure, respectively.
Why do scientists utilize normal pressure and temperature?It is now simpler to compare various measures for gasses, such as the number of molecules of gas in a certain volume. For scientists to be able to compare different sets of data in a meaningful way, a global standard for temperature and pressure must be established.
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levers rotate about an axis of rotation as a result of force being applied to them to cause their movement in the same direction as the resistance. true false
It is true that levers rotate about an axis of rotation as a result of force being applied to them to cause their movement in the same direction as the resistance.
Torque is a measure of the rotational force applied to an object about an axis of rotation. It is a vector quantity that is equal to the product of the force applied to the object and the perpendicular distance between the line of action of the force and the axis of rotation. Torque is responsible for causing an object to rotate, and the magnitude of the torque depends on both the size of the force applied and the distance from the axis of rotation. Torque is measured in units of Newton-meters (Nm) and can be calculated. Torques are important in many areas of engineering, including mechanical, electrical, and aerospace engineering, and play a role in a wide range of everyday activities, from turning a doorknob to cranking a winch.
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PLEASE HELP IM IN A TEST , ILL GIVE 100 POINTS!! How are visible light, the electromagnetic spectrum, and photoreceptors in the eye related?
A. Photo receptors in the eye detect the electromagnetic spectrum which contains a range known as visible light
B. Photo receptors in the eye detect visible light which is part of the wider electromagnetic spectrum
C. Photo receptors in the eye detect visible light which contains a range known as the electromagnetic spectrum
D. Photo receptors in the eye detect the electromagnetic spectrum which is part of the water visible light range
Answer:
B. Photo receptors in the eye detect visible light which is part of the wider electromagnetic spectrum
Explanation:
Electromagnetic spectrum is wide and huge and a range in this spectrum (around wavelenght 380 to 700 nanometers) is called visible light spectrum which is the only light that our eyes can see.
Thus photoreceptors in eye detect visible light which is part of bigger spectrum (we CANNOT see the entire electromagnetic spectrum only a small range which is known as visible light spectrum range).
I know the answer but the wording is tricky so I am not sure between A and B. Im sorry if I get it wrong. A sounds sort of right but I would not go with it cuz it says receptors detect electromagnetic spectrum (but we DO NOT detect all of the spectrum only a small portion)
Go with your gut.
an object has a charge of 1 coulomb. how many excess charges does it contain? group of answer choices 6.023 x 1023 insufficient information avogrado number of charges
An object has a charge of 1 coulomb and excess charges that it contains is 6.25 x 10¹⁸.
How many excess charges does a charge of 1 coulomb contain?To illustrate the magnitude of 1 Coulomb, object would need an excess of 6.25 x 10¹⁸ electrons to have total charge of -1 C. An object with a shortage of 6.25 x 10¹⁸ electrons would have total charge of +1 C and the charge on single electron is -1.6 x 10⁻¹⁹ Coulomb.
Charge q on a body must always exist as an integral multiple of fundamental unit charge e, charge of an electron, where e=1.6×10⁻¹⁹C.
Thus, for 1 coulomb of charge the body will hold 1/1.6×10⁻¹⁹
=6.25×10¹⁸ electrons.
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a stationary bagpiper is playing a highland bagpipe, in which one reed produces a continuous sound of frequency 440 hz . the air is still and the speed of sound is 340 m/s . what is the wavelength of the sound wave produced by the bagpipe?
The wavelength of the sound wave produced by the bagpipe is 0.773 m.
What is a wave length?The separation between two identical locations in two succeeding waves is known as the wavelength of a wave. The separation between each wave's crest (or trough) and the next is known as the wavelength. Equations that describe wavelength use the Greek letter lambda as the representation.
The wavelength of light determines its hue, much as the wavelength of sound determines its pitch. The visible spectrum of light has wavelengths between around 700 nm (red) to 400 nm (violet). Audible sound has a wavelength that ranges from 17 mm to 17 m. Compared to visible light, audible sound has much longer wavelengths.
Given, Frequency of sound, f = 440 Hz
Speed of sound, v = 340 m/s
For the wavelength of the sound wave,
v = f × λ
Putting the values,
λ = [tex]\frac{340}{440}[/tex]
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which ball (if either) has the greatest speed at the moment of impact? view available hint(s)for part a which ball (if either) has the greatest speed at the moment of impact? the ball thrown horizontally the dropped ball both balls have the same speed.
Therefore, both balls will have the same vertical speed at the moment of impact, which is the sum of their vertical and horizontal speeds.
What is moment of impact?In physics, a collision is the abrupt, powerful coming together of two bodies, such as two billiard balls, a golf club and a ball, a hammer and a nail head, two train carriages when paired together, or a falling item and a floor. Its formula equates the product of a body's mass and velocity to twice the time taken. The force created when two objects collide is known as the force of impact. The stronger the impact or hitting power of your vehicle, the faster you drive. The force of impact rises with the square of the increase in speed, according to physical rules.
Here,
Both balls have the same speed at the moment of impact. The vertical speed of the dropped ball is determined solely by its initial height and the acceleration due to gravity. The horizontal speed of the ball thrown horizontally is constant and does not change.
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finally, suppose m1→[infinity] , while m2 remains finite. what value does the the magnitude of the tension approach?
As the distance between the two charges in the dipole increases and one moves towards infinity, the magnitude of the electric field at the position of the remaining charge approaches the value of the electric field produced by a single-point charge.
What happens to the electric field when one charge moves towards infinity?When one of the charges in an electric dipole moves towards infinity, the electric field due to that charge becomes negligible compared to the field due to the other charge. As a result, the net electric field approaches that of a single-point charge located at the position of the remaining charge.
What value is the magnitude of the tension?In this scenario, the magnitude of the tension experienced by a point charge q approaches q times the electric field produced by a single point charge.
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What is the work required to rotate the dipole from being oriented parallel to the field to being antiparallel to the field?
The work required to rotate a magnetic dipole from being oriented parallel to a magnetic field to being antiparallel to the field is determined by the interaction between the magnetic dipole and the magnetic field. The work done on the dipole, W, can be expressed as: W = - μ * B * Δθ
What does the term dipole refer to?A dipole is a pair of equal and opposite charges or magnetic poles separated by a small distance. It refers to a system with two poles, such as an electric dipole or a magnetic dipole.
How is a magnetic dipole different from electric dipole?An electric dipole consists of two charges, one positive and one negative, separated by a small distance. A magnetic dipole, on the other hand, consists of two magnetic poles, one north and one south, separated by a small distance.
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a hockey puck is hit on a frozen lake and starts moving with a speed of 12.8 m/s. exactly 5.90 s later, its speed is 7.50 m/s. the acceleration of gravity is 9.81 m/s 2 how far does the puck travel during this 5.90 s interval? answer in units of m. answer in units of m.
The average velocity of the puck during the 5.90 s interval can be calculated as the average of the initial velocity and the final velocity:
Thus the velocity will be,
v_avg = (v_initial + v_final) / 2
= (12.8 + 7.5) / 2
= 10.15 m/s
The distance traveled by the puck during this interval can be calculated as:
d = v_avg * t = 10.15 * 5.90 = 59.87 m
This is the distance traveled by the puck in a straight line assuming that it does not experience any forces other than gravity.
However, since the acceleration of gravity is 9.81 m/s^2,
the puck will experience a downward acceleration due to gravity, causing its path to be a parabolic arc.
The exact distance traveled by the puck will depend on the exact path it takes, which is beyond the scope of the information provided.
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what is the numerical setup for calculating the total amount of heat required to raise the temptaure of the h20
The amount of heat required to increase a unit quantity of a substance's temperature by one degree is the substance's specific heat capacity.
Q = w x Cp x ∆T. when the amount of heat added Q causes a change in temperature ∆T to a weight of substance W at a particular specific heat of material Cp.
What is specific heat capacity?The quantity of heat energy needed to raise a substance's temperature per unit of mass is known as specific heat capacity. A material's specific heat capacity is a physical characteristic. Since its value is inversely correlated with the size of the system under study, it is also an illustration of an extended feature.
The amount of heat required to raise the temperature per unit mass is known as specific heat capacity.
The heat in Joules required to increase the temperature of 1 gram of sample by 1 Kelvin or degree Celsius is often stated.
Water is an excellent temperature regulator since it has a very high specific heat capacity. Specific heat capacity in SI units (symbol: C)
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The amount of heat required to increase a unit quantity of a substance's temperature by one degree is the substance's specific heat capacity. the final answer is Q = w x Cp x ∆T.
What is specific heat capacity?The quantity of heat energy needed to raise a substance's temperature per unit of mass is known as specific heat capacity. A material's specific heat capacity is a physical characteristic. Since its value is inversely correlated with the size of the system under study, it is also an illustration of an extended feature.
The amount of heat required to raise the temperature per unit mass is known as specific heat capacity.
The heat in Joules required to increase the temperature of 1 gram of sample by 1 Kelvin or degree Celsius is often stated.
Water is an excellent temperature regulator since it has a very high specific heat capacity. Specific heat capacity in SI units (symbol: C)
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you learned in the last unit that there is a minimum speed at which a rollercoaster car can go around a loop and still maintain contact with the track. what is the minimum height h the car should be released so that it goes around the loop safely? assume friction is negligible.
The minimum height for the car to be safely released around a loop is determined by the minimum speed required for the car to remain in contact with the track, which is equal to the square root of the gravitational acceleration times the radius of the loop.
This is known as the "speed of a circular loop" formula, and it states that the minimum speed required for an object to go around a loop of radius "r" is equal to the square root of "g" (acceleration due to gravity) times "r".
In other words, the object must be traveling at a minimum velocity in order to remain in contact with the track and complete the loop without flying off. The height "h" at which the car is released is not a factor in this calculation, as it only affects the initial velocity of the car, which is not relevant to the minimum speed required to maintain contact with the track.
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How much power is required to raise a 30 kg crate a vertical distance of 6 m in a time of 4 seconds?
at what temperature, in kelvins, will the average kinetic energy of gas molecules be the same as the kinetic energy these ions gain?
The average kinetic energy of a substance's particles directly relates to the substance's Kelvin temperature. The atoms in a specimen of hydrogen, as an illustration
What is kinetic energy (KE)?
Kinetic energy (KE) is the term used in physics to describe an object's energy when it is in motion. The effort needed to move a surplus body at rest to a stated velocity is how it is defined.
What is the history of kinetic energy?
The terms "kinetic energy" and "labor" have been used in modern science since the beginning of the 19th century. The first knowledge of these ideas dates back to Gaspard-Gustave Coriolis, whose work Du Nalidixic acetylcholine receptors nachrs de l'Effet des Machines, published in 1829, explains the mechanics of kinetic energy.
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net neutrality is presented as creating a ________ that leads to __________.
The idea of net neutrality is to level the playing field and encourage innovation.
What is the concept of neutrality?Neutrality, which would be defined as the legal position that results from a state refraining from any involvement in a war between other states, maintaining an unbiased stance towards to the belligerents, and the belligerents acknowledging this abstention and impartiality, is crucial.
What is the concept of neutrality?Neutrality, which would be defined as the legal position that results from a state refraining from any involvement in a war between other states, maintaining an unbiased stance towards to the belligerents, and the belligerents acknowledging this abstention and impartiality, is crucial.
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Convertir 10 gramos a litros
Porque um litro tem 1000 gramas. então 10 grama se convertido em litros torna-se 0,01 Litros.
About LitroLitro é uma unidade de medida de volume. O litro não é uma das unidades international standards, mas está listado como uma das "unidades não international aceitas para uso com o international standards". A unidade SI para volume é o metro cúbico (m³). 1 l = 1 dm = 1000 cm = 1000 cc 1 ml = 1 cm = 1 cc O símbolo do litro é uma letra minúscula ou maiúscula l, L. A letra minúscula l (ℓ) também é usada.
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which type of eclipse occurs almost every 18 months?
Every 18 months or so, there are total solar eclipses, during which the sky becomes completely dark as the moon passes in front of the sun.
What is Eclipse used for?A free Java-based development environment called Eclipse is well-known for its plugins, which enable programmers to create and test code in other computer languages. This Eclipse Public License governs the distribution of Eclipse.
Why is eclipse so important?While more about a century ago, solar totality have been utilized to investigate the constitution of the Moon and its violent activities. Additionally, they have been employed to find evidence in favor of the general special relativity and to pinpoint new components. NASA scientists are still studying eclipses to discover more about the Sun, Venus, or our vacuum of space.
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the space shuttle travels at a speed of about 6.38 x 103 m/s. the blink of an astronaut's eye lasts about 116 ms. how many football fields (length
Using speed, distance, time relation, The Space Shuttle covers approximately 8 football fields in the blink of an astronaut's eye.
How do you determine speed?The speed of something or someone is how swiftly they are moving. You can determine something's average speed if you know how far it has traveled and how long it took to get there. Speed is determined by the formula: speed = distance time. Calculating the units for speed requires knowledge of the units for both time and distance.
The equation speed = distance time can be altered, just like any other equation.
The formula can be set up in one of three ways:
Distance is determined by time and speed.
Time and speed both affect distance.
Time = Speed x Distance
To compute one of the variables, we require the other two (speed, distance, or time).
For instance, we need to know the distance traveled and the speed at which movement occurs in order to calculate the travel time.
To find out how many football fields the shuttle covers in one blink of an eye, we need to divide the distance it travels in 116 ms by the length of one football field.
First, let's find the distance:
distance = speed x time
distance = 6.38 × m/s × 116 ms
distance = 738.88 m
Next, let's divide the distance by the length of a football field:
distance ÷ length of a football field
738.88 m ÷ 91.4 m = 8.09 football fields
So the Space Shuttle covers approximately 8 football fields in the blink of an astronaut's eye.
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Protocells are precursors to modern living cells. Despite being non-living matter, protocells exhibit some characteristics of life such as reproduction. However, protocells were unable to inherit traits. Why is this so?
The reason why protocells were unable to inherit traits is because they lack genetic material.
What are protocells ?Protocells are considered precursors to modern living cells because they exhibit some basic life-like properties, such as replication. However, protocells lack a key component of living cells, which is the genetic material in the form of DNA or RNA.
Protocells are unable to inherit traits because they lack genetic material. The absence of genetic material means that protocells cannot encode information or pass it on to their offspring, so they cannot produce the proteins necessary for metabolic functions or replicate themselves in a controlled manner.
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During fission, some of the nuclear mass is converted into
Select one:
a. critical mass.
b. energy.
c. heavier nuclei.
d. protons.
Answer: b. energy.
Explanation:
Drag the tiles to the correct boxes to complete the pairs.
Match the synthetic materials with the processes used to make them.
heating clay and sand at high temperatures
using oil and gas as starting materials
mixing a metal element with other elements
The correct matching of the synthetic materials with the processes used to make them is given below:
synthetic polyme - [using oil and gas as starting materials]alloy - [mixing a metal element with other elements]ceramic - [heating clay and sand at high temperatures]What is a Synthetic Polymer?Synthetic polymers are macromolecules that are created when artificially produced monomers are combined.
Examples of this kind of compound include bakelite, nylon, and polyethylene.
These polymers enable the production of synthetic fibers with the goal of creating useful products (yarns and textiles), even items for the medical industry.
A thorough quality control is carried out during the synthesis of polyamide yarns in order to manage the thickness and uniformity of the fibers so that they can be used for a variety of purposes.
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Answer: Drag the tiles to the correct boxes to complete the pairs.
Match the synthetic materials with the processes used to make them.
Synthetic polymer: using oil and gas as starting materials
Alloy: mixing a metal element with other elements
Ceramic: heating clay and sand at high temperatures
Explanation:
1. use your own words and captured images from the simulation to show you can measure: a. wavelength of longest wave possible b. wavelength of shortest wave possible c. height of tallest wave possible
To measure the wavelength of the longest and shortest wave possible, you can use the oscilloscope to observe the waveform. Correct answer: Option A and B.
You can then measure the wavelength by the distance between two adjacent peaks or troughs. Similarly, to measure the height of the tallest wave possible, you can measure the amplitude of the waveform, which is the difference between the peak and the trough.
An oscilloscope is a type of electronic test equipment used to measure voltage over time. It is used to display waveforms of electrical signals, which can help determine the frequency, amplitude, rise time, and other characteristics of the signal. The oscilloscope consists of a display, a set of inputs, and horizontal and vertical control knobs.
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a 46 kg bowling ball with a radius of 23 cm starts from rest at the top of an incline 3.0 m in height. find the translational speed of the bowling ball after it has rolled to the bottom of the incline. (assume that the ball is a uniform solid sphere.)the acceleration of gravity is 9.81 m/s 2 . answer in units of m/s. answer in units of m/s.
The acceleration (or velocity) of an object on Earth brought about by the gravity force when it is in free fall is referred to as "9.81 meters per second squared." There is no escape from gravity in outer space.
How is translational speed determined?d=vot+1/2a*t. The first equation divides an object's distance traveled into its velocity and acceleration components. A automobile traveling at 30 mph for two hours will cover 60 miles (30 mph x two hours = 60 miles), and this distance is related to beginning velocity.Loss in Potential Energy = Gain in Rotational Kinetic Energy + Gain in Translational Kinetic Energy
How fast is translation?The pace at which a linear position changes is known as translational velocity. The rate of change in each point is actually rotational position is what we refer to as the rigid body's rotational (angular) velocity, or v. Each point on the solid body has the same velocity component since all of its points spin at the same angle at the same time.
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what is max, the maximum wavelength of the incident light that can cause electrons to be emitted from the metal?
a charge of 6.15 mc is placed at each corner of a square 0.100 m on each side. what is the magnitude of the force on each charge?
The magnitude of the 6.15 mc charge is placed at each corner of a square 0.100 m on each side = 46 N on each side.
The force acting on one charge is the same as the force acting on all other charges because charges are arranged in a square.
The superposition principle will be applied. Accordingly, the force acting on the charge is made up of a variety of separate forces.
We will analyze the forces on the x and y axes as follows:
Fx = F3 F2 cos45⁰
= 1/4π€ (q²/a²)
= 46 N
Fy = F1F2 sin 45⁰
= 1/4π€ (q²/√2a²)
= 46 N
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