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Four similar particles of mass m are orb...

Four similar particles of mass m are orbiting in a circle of radius r in the same direction and same speed because of their mutual gravitational attractive force as shown in the figure . Speed of a particle is given by

A

`sqrt((Gm)/(4r) ( 1+ 2sqrt2))`

B

`sqrt((Gm)/(r) ( 1+ sqrt2))`

C

`sqrt((Gm)/(r) ( 1+ 2sqrt2))`

D

`sqrt((Gm)/(4r) ( 2 + sqrt2))`

Text Solution

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The correct Answer is:
A
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