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Question

Two blocks of the masses 10 kg and 4 kg are connected by a spring of negligible mass and placed on a frictionless horizontal surface. An impulse gives a velocity of 14 m/s to the heavier block. The velocity of centre of mass is


A

20 m/s

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B

5 m/s

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C

10 m/s

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D

30 m/s

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Solution

The correct option is C

10 m/s



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