Asked by lisa
wally sees a ball sitting on the floor.he kicks the ball across the floor. does he do any work?if not why?if so what energy change is occurring?
Answers
Answered by
Elena
for ball ΔKE =KE2 –KE1 = m•v²/2 - 0 =m•v²/2.
work of the boy W = ΔKE
work of the boy W = ΔKE
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