Two stars of masses m and 2m at a distance d rotate about their common centre of mass in free space. The period of revolution is :

In a double star, two stars (one of mass m and the other of mass 2m ) distance d apart rotate about their common centre of mass., Deduce an expressioin for the period of revolution. Show that te ratio of their angular momenta about the centre of mass is the same as the ratio of their kinetic energies.

Two stars of masses m_(1) and m_(2) distance r apart, revolve about their centre of mass. The period of revolution is :

In a double star system, two stars of masses m_1 and m_2 separated by a distance x rotate about their centre of mass. Find the common angular velocity and Time period of revolution.

In a double star system one of mass m_(1) and another of mass m_(2) with a separation d rotate about their common centre of mass. Then rate of sweeps of area of star of mass m_(1) to star of mass m_(2) about their common centre of mass is

Two stars of masses 3×10^31kg each, and at distance 2×10^11m rotate in a plane about their common centre of mass O. A meteorite passes through O moving perpendicular to the star's rotation plane. In order to escape from the gravitational field of this double star, the minimum speed that meteorite should have at O is : (Take Gravitational constant G=6.67×10^−11Nm^2kg^−2 )

In a double star, two stars one of mass m_(1) and another of mass m_(2) , with a separation d, rotate about their common centre of mass. Find (a) an expression for their time period of eavolution. (b) the ratio of rheir kintic energies. (c) the ratio of their angular momenta about the centre of mass. (d) the total angular momentum of the system. (e) the kinetic energy of the system.

Two objects of masses 1kg and 2kg separated by a distance of 1.2m are rotating about their centre of mass. Find the moment of inertia of the system

A double star is a system of two stars of masses m and 2m , rotating about their centre of mass only under their mutual gravitational attraction. If r is the separation between these two stars then their time period of rotation about their centre of mass will be proportional to