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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 10 - Gravitation > Consider the two identical particles shown in the given figure. They are released from rest and may move towards each other influence of mutual gravitational force. The velocity of centre of mass of the two particle system:

Consider the two identical particles shown in the given figure. They are released from rest and may move towards each other influence of mutual gravitational force. The velocity of centre of mass of the two particle system:

The distance of two planets from the sun are 10^13 and 10^12 m respectively. The ratio of the periods of the planet is