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A 25 kg piston is above a gas in a long vertical cylinder. Now the piston is released from rest and accelerates up in the cylinder reaching the end 5 m higher at a velocity of 25 m/s. The gas pressure drops during the process so the average is 600 kPa with an outside atmosphere at 100 kPa. Neglect the change in gas kinetic and potential energy, and find the needed change in the gas volume.
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A 6.0 kg object attached to a horizontal spring oscillates with an amplitude A = 10 cm and a frequency f = 2.7 Hz. What is the maximum acceleration of the object
describe how an electric current is generated and transported. assess the current state of our national grid in the
find the grand partition function of a 2d classical system of electrons with energy dispersion law ep p22m. the
A small, spherical bead of mass 3.05 g is released from rest at t = 0 in a bottle of liquid shampoo. The terminal speed is observed to be vT = 1.80 cm/s. Find the value of the resistive force when the bead reaches terminal speed
Two capacitors are connected in parallel across the terminals of a battery. One has a capacitance of 2.5 uF, What is the voltage of the battery
A photon of red light (wavelength = 720 nm) and a Ping-Pong ball (mass = 2.00 × 10-3 kg) have the same momentum
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Find the area under the graph of the polar curve r=(e^theta) for 0
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A copper rod 87cm long is used to poke a fire. The hot end of the rod is maintained at 103%u2218C, What is the temperature of the rod 26cm from the cool end
A horizontal bar of negligible weight has a 55.10 lb weight hanging from the left end and a 72.0 lb weight hanging from the right end. The bar is seen to balance 97.50 in from the left end. Find the length of bar.
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