A block is dragged on a smooth plane with the help of a rope which moves with a velocity \( \mat...

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A block is dragged on a smooth plane with the help of a rope which moves with a velocity \( \mathrm{v} \) as shown in figure. The horizontal velocity of the block is :
(1) \( \mathrm{V} \)
(2) \( \frac{\mathrm{v}}{\sin \theta} \)
(3) \( v \sin \theta \)
(4) \( \frac{v}{\cos \theta} \)
\( \mathrm{P} \)
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