送交者: cornbug 于 2007-09-08, 02:16:29:
回答: this might not be a valid question 由 008 于 2007-09-08, 01:10:40:
It's not so easy to devise an equation to model it because the rotation center is not fixed. I guess the curvature is large at the top and bottom of the sinusoids so the angular velocity should be biggest there.