An object A mass 2kg is moving with a velocity of 3m/s and collides head on with an object B of mass 1kg in the opposite direction with a velocity of 4m/s.After collision both object stick, so that they move with a common velocity (v).Calculate v?
A-3/2 m/s
B-2/3m/s
C-1/3 m/s
D-3 m/s
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