Question

A body of mass 5kg is taken from a height 5m to 10m.what is the increase in its potential energy?(g=10m/s square)
a)Zero
b)200J
c)250J
d)None of these
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Answer 1

Ans.-c)250j

explanation;

change in potential energy=mgh2-mgh1

or,

increase in p.e ,

so,we get this.