JEE Main 2012 Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main 2012

Two point masses of mass and (f < 1) are in outer space (far from gravitational influence of other objects) at a distance R from each other. They move in circular orbits about their centre of mass with angular velocities for and for . In that case

Answer: (2)

Solution

The masses always stay on opposite sides of the centre of mass, so they share the same angular velocity. For at distance

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Question ID VK-103539