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Homework 8 (Ch. 7, 8) 90le -/1 i: 0.. View Policies Current Attempt in Progress A 56 kg skier leaves the end of a skijump

Homework 8 (Ch. 7, 8) 90le -/1 i: 0.. View Policies Current Attempt in Progress A 56 kg skier leaves the end of a skijump ramp with a velocity of 28 m/s directed 28 above the horizontal. Suppose that as a result of air drag the skier returns to the ground with a speed of 17 m/s, landing 14 m vertically below the end of the ramp. From the launch to the return to the ground, by how much is the mechanical energy of the skier-Earth system reduced because of air drag

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