A body of mass m collides elastically with another body at rest and then continues to move in the original direction with one half of its original speed. mass of the target body is

Question

A body of mass m collides elastically with another body at rest and then continues to move in the original direction with one half of its original speed. mass of the target body is, m, 2 3 m, m 3, m 2

MARKS App · Accepted Answer

Speed of first body after elastic collision is v 1 = u 1 + 2 m 2 m 1 + m 2 u 2 - u 1 since m 1 = m and V 1 = v 2 v 2 = v + 2 m 2 m + m 2 0 - v solving above equation we get, m 2 = m 3

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