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Three particle each having a mass of 100...

Three particle each having a mass of 100g are placed on the vertices of an equlateral triangle of side 20cm. The work done in increasing the side of this triangle to `40cm` is `(G=6.67xx10^(-11)(N-m^(2))/(kg^(2)))`

A

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

B

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

C

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

D

`(Gm^2)/(l)`

Text Solution

Verified by Experts

The correct Answer is:
B
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