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Under the action of force \( P \), the constant acceleration of block \( B \) is \( 6 \mathrm{~m} / \mathrm{sec}^{2} \) up the incline. For the instant when the velocity of \( B \) is \( 3 \mathrm{~m} / \mathrm{sec} \) up the incline. Choose the correct option(s)
Figure \( 1.149 \)
(A) Velocity of \( B \) relative to \( A \) is \( 1 \mathrm{~m} / \mathrm{o} \)
(B) Acceleration of \( B \) relative to \( A \) is \( 2 \mathrm{~m} / \mathrm{s}^{2} \)
(C) The velocity of point \( C \) of the cable (in ground frame) is \( 4 \mathrm{~m} / \mathrm{s} \)
(D) Velocity of \( B \) relative to \( A \) is \( 2 \mathrm{~m} / \mathrm{s} \)
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