System is shown in the figure and man is pulling the rope from both sides with constant speed ' ....

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System is shown in the figure and man is pulling the rope from both sides with constant speed ' \(u\) '. Then the speed of the block will be \(x u\). Find the value of \(x\) (Round off the value of \(x\) to two decimal places) ( \(M\) moves vertical):
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