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Two blocks of masses 10kg and 4kg are co...

Two blocks of masses 10kg and 4kg are connected by a spring of negligible mass and placed on a frictionless horizontal surface. An impulse gives a velocity of `14 ms^(-1)` to the heavier block in the direction of the lighter block. The velocity of the centre of mass is

A

`30 ms^(-1)`

B

`20 ms^(-1)`

C

`10 ms^(-1)`

D

`5 ms^(-1)`

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The correct Answer is:
C
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