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OpenStudy (anonymous):

A sprinter explodes out of the starting block with an acceleration of +2.28 m/s2, which she sustains for 1.21 s. Then, her acceleration drops to zero for the rest of the race. What is her velocity at (a)t = 1.21 s and (b) at the end of the race? I can not figure out how to get part (b) of this question

OpenStudy (anonymous):

If she doesn't accelerate after 1.21 s then she will have the same speed afterwards.

OpenStudy (anonymous):

Thank you

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