Question

A 2kg body and 3 kg body are moving along x axis with velocities 3m/s and -1m/s.find the momentum of centre of mass
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Answer 1

Answer:

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Explanation:

We know that velocity of centre of mass is given as

vcm=m1+m2m1v1+m2v2⇒52×3i^+3×2i^=512i^

vcm==2.4i^ms−1

Hence the velocity of centre of mass at the instant will be 2.4ms−1 along x-axis