Wednesday
November 26, 2014

Homework Help: Physics

Posted by Heather on Sunday, August 29, 2010 at 6:28pm.

A sprinter explodes out of the starting block with an acceleration of +2.3 m/s^2, which she sustains for 1.2 s. Then, her acceleration drops to zero for the rest of the race. What is her velocity (a) at t=1.2 s ans (b) at the end of the race?

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