In a downhill ski race surprisingly little advantage is gained by getting a running start. This...

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Physics

In a downhill ski race surprisingly little advantage is gainedby getting a running start. This is because the initial kineticenergy is small compared with the gain in gravitational potentialenergy even on small hills. To demonstrate this, find the finalspeed and the time taken for a skier who skies 75.0 m along a25

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aWe are neglecting the friction so remaining force exerted bythe track is the normal force which is perpendicular to thedirection of motion And this normal force does See Answer

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