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A piston cylinder contains ar at 375kPA and 20 degrees celicus. It is then heated at constant pressure until its volume increases by a factor of three. Determine the heat added and the work done, using both :
A. Air Tables
B. Constant specific heat
What is the smallest thickness of a soap film (n = 1.33) that would appear black if illuminated with 450 -nm light? suppose there is air on both sides of the soap film.
The coefficient of kinetic friction between a refrigerator (mass 125 kg) and the floor is 0.18, What is the minimum force required to keep it moving with a constant velocity
The wing of an airplane has an average cross-sectional area of 13 m2 and experiences a lift force of 84,000 N. What is the average difference in the air pressure
An open-open organ pipe is 67.9 cm long. AN open-closed pipe has an essential frequency equal to the third harmonic of the open-open pipe. How long is the open-closed pipe.
A softball of mass 0.200kg that is moving with a speed of 7.0m/s collides head-on and elastically with another ball initially at rest, Calculate the mass of the target ball
A car travelling at 19 {rm m/s} runs out of gas while travelling up a 21^circ slope. How far would the car go up the hill before it runs out of gas.
aisle by a shopper who exerts a constant horizontal force of 40.0 N. If all frictional forces are neglected and the cart starts from rest, illustrate what is the grocery cart's final speed?
assume you are standing on a train, both feet together, facing a window. The front of the train is to your left. The train starts moving forward.
A hammer is hanging by a light rope from the ceiling of a bus. The ceiling of the bus is parallel to the roadway, What is the acceleration of the bus
A child on a freely rotating merry-go-round moves from near the center to the edge. Will the rotational velocity of the merry-go-round increase, decrease, or not change at all? Explain.
How much work would be required to move a 0.50 microCoulomb test charge from a point midway between them to a point 12 cm closer to ether of the charges?
A 70.0 kg construction worker stands at the far end of the beam. What is the magnitude of the torque about the point where beam is bolted into place.
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