Problem $\backslash$#$3(35$ points$)$

The hydraulic cylinder is moving to the right as shown in figure$($VD$=2$m$/$s $,$aD $=1\mathrm{.}5$m$/$s$^2/$AB$=0\mathrm{.}3/$BC$=0\mathrm{.}4/$angle BC and the horezontal $=60$ deg $/$angle BC and the horezontal $=30$ deg$).$ At the instant shown, determine:

a$.$ The angular velocity of BC $.$

b$.$ The angular velocity of $\backslash ($ A B $\backslash ).$

c$.$ The angular acceleration of $\backslash ($ A B $\backslash )$ and BC at the instant shown. $($ Planar Kinematics of a Rigid Body: Velocity and Acceleration, you can see questions like it in vdoc.pub$\_$engineering$-$mechanics$-$dynamics$-14$th$-$edition$-$instructors $)$