The vertical displacement of block A in meter is given by \( y=\fra...

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The vertical displacement of block A in meter is given by \( y=\frac{t^{2}}{4} \) where \( t \) is in second. Calculate the downward acceleration \( a_{\mathrm{B}} \) of block B.
(1) \( 2 \mathrm{~m} / \mathrm{s}^{2} \)
(2) \( 1 \mathrm{~m} / \mathrm{s}^{2} \)
(3) \( 4 \mathrm{~m} / \mathrm{s}^{2} \)
(4) \( 9 \mathrm{~m} / \mathrm{s}^{2} \)
\( \mathrm{P} \)
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