A body of mass M kg is on the top point of a
smooth hemisphere of radius 5 m. It is
released to slide down the surface of the
hemisphere. It leaves the surface when its
velocity is 5 m/s. At this instant the angle
made by the radius vector of the body with
the vertical is: (Acceleration due to gravity =
10 ms 2)
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10 ms to vatical gravity vector of the body
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