Find velocity of block ' \( B \) ' at the instant shown in \( \math...

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Find velocity of block ' \( B \) ' at the instant shown in
\( \mathrm{P} \) figure.

W
(1) \( 25 \mathrm{~m} / \mathrm{s} \)
(2) \( 20 \mathrm{~m} / \mathrm{s} \)
(3) \( 22 \mathrm{~m} / \mathrm{s} \)
(4) \( 30 \mathrm{~m} / \mathrm{s} \)
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