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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 12 - Gravitation > A double star is a composite system of two stars rotating about their centre of mass under their mutual gravitational attraction. Let us consider such a double star which has two stars of masses m and 2m and let their separation be L. Their time period of rotation about their centre of mass will be proportional to

A double star is a composite system of two stars rotating about their centre of mass under their mutual gravitational attraction. Let us consider such a double star which has two stars of masses m and 2m and let their separation be L. Their time period of rotation about their centre of mass will be proportional to

The escape velocity from earth is ves. A body is projected with velocity 2 ves with what constant velocity will it move in the inter planetary space