$($c$).$ In a plane mechanism OABCE represented by Figure Q $2($c$),$ the crank OA

rotates at a constant speed of $150re\frac{v}{m}in$ anticlockwise. The connecting

rod CBD moves about a pivot at B link CE is constrained to move horizontally

at $E.$ End $C$ is pinned to an oscillating lever $CE.$

Take $OA=60mm,BC=62\mathrm{.}5mm,AB=163mm,CE=200mm,=60.$

For the given configuration determine:$-$

$($i$).$ The velocity of slider $E.$

$($ii$).$ The angular acceleration of link DBC$.$

Use graphical method.