Physics, 27.09.2019 01:00 straightbarz4643

A64 kg skier leaves the end of a ski-jump ramp with a velocity of 27 m/s directed 25° above the horizontal. suppose that as a result of air drag the skier returns to the ground with a speed of 25 m/s, landing 17 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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A64 kg skier leaves the end of a ski-jump ramp with a velocity of 27 m/s directed 25° above the hori...

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