Find required air velocity in the wind tunnel
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If the slope is not frictionless, so that the skier has a final velocity of 11.8 m/s , calculate the work done by gravity, the work done by the normal force, the work done by friction, the force of friction, the coefficient of kinetic friction.
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If the model tests are to be performed in a wind tunnel using standard air, what is the required air velocity in the wind tunnel? Is this a realistic velocity?
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