A block of mass M1 slides with speed vo along a frictionless surface towards the three masses, M2, M3 and M. which are at rest in the path of M as shown in fig masses are successively smaller, that is, M4 << M3 << M2 << M1 << M1 What is the velocity of mass M4 after the collision? Assume that all collisions are perfectly elastic. Help: The problem is made easier if each collision is considered individually. M1 Vo M2 M3 M4
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