A heat engine absorbs 2400 j of heat from a hot reservoir
A heat engine absorbs 2400 J of heat from a hot reservoir and releases 1400 J of heat to a cold reservoir each second. Find the efficiency of the engine and its mechanical power output. (%, W)
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a parachutist of 60 kg descends at a constant speed of 44 ms what is the rate of increase of entropy of the parachute
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a heat engine absorbs 2400 j of heat from a hot reservoir and releases 1400 j of heat to a cold reservoir each second
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a cannon has a barrel 5 m long and fires a 49 kg projectile with a muzzle velocity of 452 ms what is the average force
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