A body of mass m moving with velocity 4 km/h collides with a body of m – McqOptions

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1.	A body of mass m moving with velocity 4 km/h collides with a body of mass 3 m at rest. Now the coalesced mass starts to move with a velocity of:
A.	4 km/h
B.	4/3 km/h
C.	1 km/h
D.	2 km/h
Answer» D. 2 km/h

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