Velocity of hanging block, if end \( A \) and end \( B \) of the st...

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Velocity of hanging block, if end \( A \) and end \( B \) of the string are moving with speed \( 5 \mathrm{~m} / \mathrm{s} \) and \( 3 \mathrm{~m} / \mathrm{s} \)
\( \mathrm{P} \) respectively, as shown, is (string and pulleys are ideal

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(1) \( 2 \mathrm{~m} / \mathrm{s} \) up
(2) \( 2 \mathrm{~m} / \mathrm{s} \) down
(3) \( 4 \mathrm{~m} / \mathrm{s} \) up
(4) \( 4 \mathrm{~m} / \mathrm{s} \) down
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