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A planet whose size is the same and mass...

A planet whose size is the same and mass `4` times as that of Earth, find the amount of energy needed to lift a `2 kg` mass vertically upwards through `2m` distance on the planet. The value of `g` on the surface of Earth is `10 ms^(-2)`.

A

16J

B

32J

C

160 J

D

320J

Text Solution

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