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Imagine that you have a gas confined in an insulated cylinder by a piston. Imagine that you suddenly push hard on the piston, compressing the gas to one-half its volume. Then you slowly let the gas expand back to its original volume. Will the gas have the same temperature as when you started? Will its entropy be the same as before? Would your answers be different if you had slowly compressed the gas and then slowly expanded it? Explain your responses carefully.
The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius rh = 0.580 m and mass 4.89 kg, what should the radius of the disk be
question1a uniform bar is propped against an extremely slick vertical wall. the force of static friction between upper
Two guitarists attempt to play the same note of wavelength 6.50cm at the same time, What is the frequency of the beat these musicians hear when they play together
Which color has the highest index of refraction
A 4.40 kg block is pushed along a floor by a constant applied force that is horizontal and has a magnitude of 40.0 N. it gives the block's speed v versus time t as the block moves along an x axis on the floor. The scale of its vertical axis is set by..
1. explain qualitatively how it is possible for the electric field at locations near the center of a uniformly charged
The gravitational force between two masses M and m separated by a distance r is 40 N. What is the new force when this distance is halved?
suppose that an insulating container of negligible mass contains 0.1 kg of water at a temperature of 19 degrees c. now
A soap film in air has thickness L = 250 meters. It totally reflects orangle light with 620nm wavelength. What color and wavelength of light does it totally transmit
a youngs double-slit interference experiment gives bright fringes separated by 30.5 cm on a screen when the experiment
A 40 kg child stands on the edge of a rotating merry-go-round with a radius of 2m. The moment of inertia of the merry-go-round is 200 kg-m^2. If the catch takes 0.4 seconds, find the average torque on the merry-go-round during the catch
A person pushes a 13.6-kg shopping cart at a constant velocity for a distance of 33.1 m on a flat horizontal surface. find the magnitude of the force that the shopper exerts
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