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Question

There are two bodies of different masses of 2 kg and 4 kg moving with velocities 10m/s and 2 m/s towards each other due to mutual gravitational attraction. What is the velocity of their centre of mass?

A

12 m/s

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B

Zero

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C

4 m/s

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D

2 m/s

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Solution

The correct option is D
2 m/s

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