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A cylindrical chamber containing an ideal diatomic gas is sealed by a movable piston with cross-sectional area A = 0.0015 m2. The volume of the chamber is initially V = 10-3 m3; the pressure outside the chamber constant at 105 Pa. Initially the gas pressure inside is 105 Pa and its temperature is 27°C.
A 20-kg mass placed on the piston causes the gas to undergo adiabatic compression. What is the final volume after the mass comes to rest?
A 78-kg base runner begins his slide into second base when he is moving at a speed of 4.2 m/s. The coefficient of friction between his clothes and Earth is 0.70. He slides so that his speed is zero just as he reaches base.
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