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An airplane pilot fell 375 m after jumping without his parachute opening. He landed in a...

An airplane pilot fell 375 m after jumping without his parachute opening. He landed in a snowbank, creating a crater 1.4 m deep, but survived with only minor injuries. Assume that the pilot's mass was 80 kg and his terminal velocity was 50 m/s. (a) Estimate the work done by the snow in bringing him to rest. J (b) Estimate the average force exerted on him by the snow to stop him. N (c) Estimate the work done on him by air resistance as he fell.

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