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In the figure, the pulley P moves to the...

In the figure, the pulley P moves to the right with a constant speed u. The downward speed of A is `v_(A)`, and the speed of B to the right is `v_(B)`.

A

`v_(B) =v_(A)`

B

`v_(B) = u + v_(A)`

C

` v_(B) + u = v_(A)`

D

the two blocks have acceleration of the same magnitude

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The correct Answer is:
B
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