1.

A ball of mass 1 kg moving with a velocity 2 m/s collides directly with a m2 stationary ball of mass 2 kg. If the first ball comes to rest after the impact, what is the velocity of the second ball after impact ?

A. 1.0 m/s
B. zero
C. 2 m/s
D. 0.5 m/s
Answer» B. zero


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