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A block of mass 5 kg moves from left to ...

A block of mass 5 kg moves from left to right with a velocity of `2ms^(-1)` and collides with another block of mass 3 kg moving along the same line in the opposite direction with velocity `4 ms^(-1)`.
(i) If the collision is perfectly elastic, determine velocities of both the blocks after their collision.
(ii) If coefficient of restitution is 0.6, determine velocities of both the blocks after their collision.

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