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The 'e' Equation

Two blocks of...

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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