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A block A of mass 7 kg is placed on a fr...

A block A of mass 7 kg is placed on a frictionless table. A thread tied to it passes over a frictionless pulley and carries a body B of mass 3 kg at the other end. The acceleration of the system is (given `g=10ms^(-2)`)

A

`100ms^(-2)`

B

`3ms^(-2)`

C

`10ms^(-2)`

D

`30ms^(-2)`

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The correct Answer is:
B
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