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Four particles each of mass m are kept a...

Four particles each of mass `m` are kept at the four vertices of a square of side 'a' . Find gravitational potential energy of this system.

A

`(Gm)/(3a^(2))`

B

`(Gm)/(sqrt(3a^(2)))`

C

`(3Gm)/(a^(2))`

D

`(Gm)/(a^(2)) (sqrt(2) + (1)/(2))`

Text Solution

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The correct Answer is:
D
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