What happens to the potential energy of a body when it's height is doubled ?

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Solution

$D e a r S t u d e n t, L e t a b o d y o f m a s s m b e p l a c e d a t a h e i g h t h . T h e p o t e n t i a l e n e r g y a c t i n g o n t h e p o d y i s, E = m g h . . . . . . . . . (1) N o w t h e h e i g h t i s d o u b l e d . N e w p o t e n t i a l e n e r g y i s, E^{'} = m g \times 2 h = 2 m g h = 2 E (U \sin g e q u a t i o n 1) T h u s t h e p o t e n t i a l e n e r g y w i l b e d o u b l e d . R e g a r d s .$

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