1.

 A ball of mass 10 kg is moving with a velocity of 10 m/s. It strikes another ball of mass 5 kg which is moving in the same direction with a velocity of 4 m/s. If the collision is elastic, their velocities after the collision will be, respectively            [CMEET Bihar 1995]

A.          6 m/s, 12 m/s
B.                       12 m/s, 6 m/s
C.          12 m/s, 10 m/s              
D.          12 m/s, 25 m/s
Answer» B.                       12 m/s, 6 m/s


Discussion

No Comment Found

Related MCQs