What happens to the potential energy of a body when a. height is doubled b.mass is doubled and c. body is taken to the moon?

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Solution

Dear Student
$a . P o t e n t i a l E n e r g y = m a s s \times g r a v i t y \times h e i g h t P E = m g h P E p r o p o t i o n a l t o H e i g h t I f h i s d o u b l e d P E w i l l a l s o d o u b l e d$

b.
$P E i s a l s o p r o p o t i o n a l t o t h e m a s s h e n c e i f m a s s i s d o u b l e d P E w i l l a l s o d o u b l e d$

c.
Distance between the moon and Earth is =384400 KM=384400000 m
Hence PE=mgh=mx10x384400000=m x 3844 x 10⁵Joule

Regards

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