Asked by Anonymous

A mechanic strikes a hammer with a velocity of 20 m/sec.the hammer stops in 0.02 seconds after striking the nail. Find the acceleration.
Answered by Steve
assuming constant acceleration, then since the velocity changed by -20m/s in .02 seconds,

a = v/t = -20m/s / .02s = -1000 m/s^2
Answered by Sweta
Good
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