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Two bodies of mass 0.25 kg each moving towards each other with velocity

Two bodies of mass 0.25 kg each moving towards each other with velocity 3 m/s and 1 m/s respectively. After collision they stick together. The velocity of the combination will be

Options

(a) zero
(b) 1 m/s
(c) 1 cm/s
(d) cannot be predicted

Correct Answer:

Explanation:

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