Question

to what height should a box of mass 150 kg be lifted so that its potential energy may become 7350 joules

Answer 1

Potential energy =mgh

=>7350=150×10×h

=>h=4.9m

=>h=approx.5m.

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Answer 2

hey mate

potential energy= mgh

7350=150×10×h

h=735/150=49/10=4.9

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