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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)=u+u_(A)`

B

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

C

`v_(A)=v_(B)`

D

The two blocks have acceleration of the same magnitude

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The correct Answer is:
a,d
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