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| n | Since there is
no friction, Q |
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| does not need to
be included |
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| n | So…use
ET=PE+KE |
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| n | At position B,
the total energy |
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| is entirely KE |
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| n | Since you cannot
find KE |
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| directly,
instead find PE at the |
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| beginning of
the slide and that |
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| will be equal to
KE at the end |
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| of the
slide more….. |
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