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The cylinder C is being lifted using the cable and pulley system shown. If point A on the cable is being drawn toward the drum with a speed of 2 m/s , determine the speed of the cylinder.

Step-by-step

l=s_{C}+\left(s_{C}-h\right)+\left(s_{C}-h-s_{A}\right)
l=3 s_{C}-2 h-s_{A}
0=3 v_{C}v_{A}
v_{C}=\frac{v_{A}}{3}=\frac{-2}{3}=-0.667 m/s=0.667 m/s \uparrow

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