Posted by **Bala** on Tuesday, October 5, 2010 at 10:29pm.

A sprinter explodes out of the starting block with an acceleration of +2.79 m/s2 , which she sustains for 1.65 s. Then her acceleration drops to zero for the rest of the race. What is her velocity at t = 1.65 s and at the end of the race?

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