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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Two identical spheres A and B are free to move and to rotate about their centres. They are given the same impulse J. The lines of action of the impulses pass through the centre of A and away from the centre of B, then

Two identical spheres A and B are free to move and to rotate about their centres. They are given the same impulse J. The lines of action of the impulses pass through the centre of A and away from the centre of B, then

A horizontal disc rotates freely about a vertical axis through its central. A ring having the same mass and radius as the disk is now gently placed on disc. After some time the two rotates with a common angular velocity.