Asked by Bruin
The third floor of a house is 9 m above the street level. How much work (in kJ) is required to lift a 700-kg piano to the third-story level?
Answers
Answered by
ajayb
Work reqd.(W)= gain in potential energy
= m*g*h
Solve it to get W in joules
= m*g*h
Solve it to get W in joules
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