Three particles each of mass rotate in a circle of radius with uniform angular speed under their mutual gravitational attraction. If at any instant the points are on the vertex of an equilateral of side , then angular velocity is

a) |
b) |
c) |
d) |

Three particles each of mass rotate in a circle of radius with uniform angular speed under their mutual gravitational attraction. If at any instant the points are on the vertex of an equilateral of side , then angular velocity is

a) |
b) |
c) |
d) |

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