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Sahay Sir > Question Answers > MTG NEET Physics > Part 1 > Chapter 8 - COM, Momentum and Collision > Two particles A and B of equal mass m are attached by a string of length 2l and initially placed over a smooth horizontal table in the position shown in Fig. Particle Q is projected across the table with speed u perpendicular to the line joining them. Find the velocities of each particle Q after the string becomes taut and the will be.

Two particles A and B of equal mass m are attached by a string of length 2l and initially placed over a smooth horizontal table in the position shown in Fig. Particle Q is projected across the table with speed u perpendicular to the line joining them. Find the velocities of each particle Q after the string becomes taut and the will be.

A body of mass 1 kg strikes elastically with another body at rest and continues to move in the same direction with one fourth of its initial velocity. The mass of the other body is