In a downhill ski race, your final velocity is not affected very much by getting a running start, because the initial kinetic energy is small compared with the gain in gravitational potential energy on even small hills. However, you will finish the race much faster (which is more important!). To demonstrate this, find the final speed and the time taken for a skier who skies 62.5 m along a slope that is 22°, measured from horizontal, in the following situations (you may neglect friction). A.)How long in (s) does it take for the skier to reach the bottom of this hill starting from rest?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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In a downhill ski race, your final velocity is not affected very much by getting a running start, because the initial kinetic energy is small compared with the gain in gravitational potential energy on even small hills. However, you will finish the race much faster (which is more important!). To demonstrate this, find the final speed and the time taken for a skier who skies 62.5 m along a slope that is 22°, measured from horizontal, in the following situations (you may neglect friction).

A.)How long in (s) does it take for the skier to reach the bottom of this hill starting from rest?

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