Question

To what height should a box of mass 150kg must be lifted so that its potential energy becomes 7350 joules. (g=10)

Answer 1

Potential energy =mgh
=>7350=150×10×h
=>h=4.9m
=>h=approx.5m.



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Answer 2

potential energy =mgh
7350=150×10×h
h=4.9 m