Question: A world-class sprinter can burst out of the blocks to essentially top speed (of about 11.5m/s) in the first 15.0 m of the race. What

A world-class sprinter can burst out of the blocks to essentially top speed (of about 11.5m/s) in the first 15.0 m of the race. What is the average acceleration of this sprinter, and how long does it take her to reach that speed?

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