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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Practice Set 1 > A body A of mass m is moving in a circular orbit of radius R about a planet. Another body B of mass m/2 collides with A with a velocity which is half (vector v/2) the instantaneous velocity vector v of A. The collision is completely inelastic. Then, the combined body :

A body A of mass m is moving in a circular orbit of radius R about a planet. Another body B of mass m/2 collides with A with a velocity which is half (vector v/2) the instantaneous velocity vector v of A. The collision is completely inelastic. Then, the combined body :

Which of the following gives a reversible operation?