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A gas is contained in a chamber such as that in the figure. Suppose the region outside the chamber is evacuated and the total mass of the block and the movable piston is150 kg. When 2070 J of heat flows into the gas, the internal energy of the gas increases by 1720 J. What is the distance s through which the piston rises?
A motorist speeds horizontally of a 50.0 meter high cliff. If the motorist wants to land on level ground below 90.0 m form the base of the cliff. how fast must he motorcycle leave the cliff top to make this landing
A penny of mass 3.1g rests on a small 20g block supported by a spinning disk. The coefficients of friction between the block and disk are 0.75 (static) and 0.64 (kinetic).
If an airplane accelerates at 10 m/s2 for 12.3 seconds. How far has the plane traveled in that amount of time
you are given a 5-loop standing wave. The velocity of the wave of the string is v= 10 m/s. What is the frequency of the wave on the string
The rope makes an angle of 70.0 degrees with respect to the vertical as shown. Illustrate what is the tangential speed of the ball?
The human body can survive an acceleration trauma incident (sudden stop) if magnitude of the acceleration is less than 250;{rm m}/{rm s}^{2}.
A car travelling at 23 m/s runs out of gas while travelling up a 20 degree slope. How far up the hill will it coast before starting to roll back down.
Assume a ray of light is incident on an air / material boundary at 45 degrees to the normal. What is the critical angle for the material when it is surrounded by air
A tetherball leans against the smooth, frictionless post to which it is attached. what is the force the pole exerts on the ball
A thin film of oil (n = 1.29) is located on smooth, wet pavement. What is the minimum thickness of the oil film
two point charges are on the y axis. A 3.50 uc charge is located at y=1.1cm, and a -2.16 uc charge at y=-1.4cm. find the total electric potential at origin in volts
A 0.12kg rubber ball is dropped from a height of 1.0m above the floor and it bounces back to a height of 0.80m, How much energy is lost
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