A body of mass 20 gm moving with an initial velocity of 2ms–1 collides with another body of mass 80 gm moving in opposite direction with velocity4 ms–1 . If the collision is perfectly inelastic, then after the collision.
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a
the two bodies inter change their velocities
b
the two bodies combine and move with a common velocity of 2ms–1 in the initial direction of lighter body
c
the two bodies combine and move with a common velocity of 5.2 ms−1 in the initial direction of heavier body
d
the two bodies combine and move with a common velocity of 2.8 ms–1 in the initial direction of heavier body