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Gas in a container is at a pressure of 1.4 atm and a volume of 3.0 m3.
(a) Determine what is the work done on the gas if it expands at constant pressure to double its initial volume?
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(b) Determine what is the work done on the gas if it is compressed at fix pressure to one-quarter its initial volume?
If the man falls with his knees and ankles locked, the only cushion for his fall is a 0.480 cm give in the pads of his feet. Calculate the average force exerted on him
A gas is flowing through a certain system. At the inlet, the pressure is 0.3 MPa and the density is 1.2kg/m^3. Determine the flow work the system does to the outside
Three identical masses of 800 each are placed on the x axis. One mass is at = -110 , one is at the origin, and one is at = 340 What is the magnitude of the net gravitational force on the mass at the origin due to the other two masses?
a charge q is placed on parallel-plate capacitors of area l x l and plate seperation d. the capacitor is then filled
A 3.20 kg steel ball strikes a wall with a speed of 10.0 m/s at an angle of 60.0° with the surface. what is the average force exerted on the ball by the wall
You hit a golf ball at a 61 degree angle, and it lands 120 m away, and 9 m down in a hole from it's original Y position. Find initial velocity and the maximum height
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q1. an artillery shell is fired with an initial velocity of 370 ms at 76deg above the horizontal. to clear an avalanche
A 12-kg block (M) is released from rest on a frictionless incline that makes an angle of 28 degrees. How far does the block move down the incline from its rest position to the stopping point
a 11 cm long metal rod pulled along two frictionless conducting rails at a constant speed of 1.7 ms. the rails have
A 47.7 kg girl is standing on a 127 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. What is her velocity relative to the ice surface
2 kg mass is slidingover a frictionless surface with a velocity of 7 m/s when itenocunters a frictionless ramp as shown. what are the final velocties of the block and ramp
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