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Work done by air resistance

An air pilot fell 350 m after jumping from an aircraft without his parachute opening. He landed in a snow-bank, creating a crater 1.25 m deep, but survived with only minor injuries. Assuming that the pilot mass is 80 kg and his terminal velocity is 35 m/s, estimate work done on him by air resistance as he fell.


physics   Work-Energy-Theorem   
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