Asked by Anonymous

Calculate the work done when a body of mass 10kg moving with an initial velocity of 40mls acquires a final velocity of 60mls
Answered by Elijah
The answer
Answered by oobleck
initial KE = 1/2 * 10 * 40^2
final KE = 1/2 * 10 * 60^2
work done = difference in KE
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