Shouldn't the ball reach the top?

A small body A starts sliding from the height \(h\) down an inclined groove passing into a half-circle of radius \(\dfrac h2\) as shown in figure. Assuming the friction to be negligible, find the velocity of the body at the highest point of its trajectory (after breaking off the groove). If \(h=2.7\text{ m}\) , what is the velocity (in \(\text{m/s}\)?

Note: Motion of the body is along the inner side of the circular track.

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