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Four particles, each of mass M and equid...

Four particles, each of mass M and equidistant from each other, move along a circle of radius R under the action of their mutual gravitational attraction. The speed of each particle is:

A

`sqrt((GM)/(R ))`

B

`sqrt(2sqrt2(GM)/R)`

C

`sqrt((GM)/R(1+2sqrt2)`

D

`1/2`sqrt((GM)/R(1+2sqrt2)`

Text Solution

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The correct Answer is:
D
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