Two plastic spheres of masses 10 g and 20 g are moving in a straight l – InterviewSolution

1.	Two plastic spheres of masses 10 g and 20 g are moving in a straight line in the same direction with velocities of 3 ms−1 and 2 ms−1 respectively. They collide with each other and after collision, the plastic sphere of mass 10 g moves with a velocity of 2.5 ms−1. Find the velocity of the second ball after collision.
Answer» Two plastic spheres of masses 10 g and 20 g are moving in a straight line in the same direction with velocities of 3 ${m s}^{- 1}$ and 2 ${m s}^{- 1}$ respectively. They collide with each other and after collision, the plastic sphere of mass 10 g moves with a velocity of 2.5 ${m s}^{- 1}$ . Find the velocity of the second ball after collision.

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