Physics - W.E.P. Question with Solution | TestHub

A body of $m\mathrm{kg}$ slides from rest along the curve of vertical circle from point $A$ to $B$ in friction less path. The velocity of the body at $B$ is:
$\text{ (given, }R=14\mathrm{m},g=10\mathrm{m}/{\mathrm{s}}^2\text{ and }\sqrt{2}=1.4\text{ ) }$