What is her velocity at the end of the race

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Reference no: EM13284352

A sprinter explodes out of the starting block with an acceleration of +3.9 m/s2, which she sustains for 1.4 s. Then, her acceleration drops to zero for the rest of the race.

(a) What is her velocity at t = 1.4 s. m/s

(b) What is her velocity at the end of the race? m/s

Reference no: EM13284352

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