Question #b5445

1 Answer
Mark C.
Jan 26, 2018

It will vary sinusoidally between 0% (at displacement, s = amplitude, a) and 100% (at s = 0)

Explanation:

The energy is transferred to & from KE/PE as half sine and cosine waves. See diagram below:

![http://tap.iop.org/vibration/shm/305/page_46596.html](useruploads.socratic.org)

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