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January 30, 2015

January 30, 2015

Posted by **veena** on Friday, August 3, 2012 at 11:21am.

- physics -
**MathMate**, Friday, August 3, 2012 at 11:30amThere's probably a typo, you probably meant to post

x(t)=5 sin (π + πt/3)

The velocity is the derivative of x with respect to time, giving:

velocity=x'(t)=5(π/3)cos(π+πt/3)

Substitute t=1 in x'(t) to get the velocity at t=1.

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