agarwallachirag1 agarwallachirag1

19-09-2022
Physics

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In the arrangement shown in the Fig, the ends P and Q of anvunstretchable string move downwards with uniform speed U. Pulleys A and B are fixed. Mass M moves upwards with a speed (a) 2Ucos 0 (b) U/ cos 0 (c) 2U/ cos 0 (d) U cos 0

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