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April 29, 2026, 07:23:10 pm
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Author Topic: When to use Hookes?  (Read 2591 times)  Share 

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TrueTears

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Re: When to use Hookes?
« Reply #15 on: May 31, 2010, 10:18:09 pm »
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Quote from: m@tty on May 30, 2010, 09:09:15 pm
The roller coaster. There is no friction, so there is no leakage of energy. Hence the energy at any point on the track must sum to the energy at the beginning.
If we assume googoo was talking about the entire roller coaster then the isolated system would not be the roller coaster because .

We must include the earth too.

Thus the isolated system is the earth+roller coaster so we have
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