phy 121
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A typical automobile coasts up a typically paved incline, stops, and coasts back down to the same position.
• When it reaches this position, is it moving faster, slower or at the same speed as when it began? Explain
answer/question/discussion: ->->->->->->->->->->->-> :
It will be moving at the same speed, since the KE will equal the PE.
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5 min
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In an ideal case that would be correct, but in the real world energy is lost. See the link; you'll understand.
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Solution
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