(Answered) The first meters of a 100-meter dash are covered in 2

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The first meters of a 100-meter dash are covered in 2 seconds by a sprinter who starts from rest and accelerates with a constant acceleration. The remaining 90 meters are run with the same velocity the sprinter had after 2 seconds.

a. Determine the sprinter's constant acceleration during the first 2 seconds.

b. Determine the sprinter's velocity after 2 seconds have elapsed.

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