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If three particles each of mass m are pl...

If three particles each of mass m are placed at the three corners of an equilateral triangle of side l, the work done if the side of that triangle is increased to 2l is

A

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

B

`(Gm^(2))/(2l)`

C

`(-3Gm^(2))/(2l)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
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