Question

A mass of 4 kg is dropped from a tower of height 45 m. calculate - (i) the potential energy possessed by the body when it is at the top of the tower

Answer 1

if we take the value of g = 10 metre per second square then the potential energy will be calculated using the formula m g h
hair the potential energy will be equal to 4 * 10 *45
=1800J
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