Find velocity of block ' $B$ ' at the instant shown in figure $........\,m/s$
$20$
$25$
$22$
$30$
$v \cos 37^{\circ}=20$
$v=\frac{20 \times 5}{4}=25\,m / s$
The velocity of end ' $A$ ' of rigid rod placed between two smooth vertical walls moves with velocity ' $u$ ' along vertical direction. Find out the velocity of end ' $B$ ' of that rod, rod always remains in constant with the vertical walls.
In the figure, mass of a ball is $\frac{9}{5}$ times mass of the rod. Length of rod is $1 \,m$. The level of ball is same as rod level. Find out time taken by the ball to reach at upper end of rod. (in $S$)
Find the velocity of the hanging block if the velocities of the free ends of the rope are as indicated in the figure.
If the block $A$ & $B$ are moving towards each other with acceleration $a$ and $b$. Find the net acceleration of $C$.
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