A heavy particle is suspended by a light thread, the other end of the thread being fixed to a point O. The particle is projected from its lower position in the horizontal direction in the vertical plane through O, with such a velocity that it leaves the circular path after an angular displacement theta Show that when the string again becomes taut it makes an angle 3theta-360^(@) with the downward drawn vertical.

A heavy particle is suspended by a light thread, the other end of the

1.	A heavy particle is suspended by a light thread, the other end of the thread being fixed to a point O. The particle is projected from its lower position in the horizontal direction in the vertical plane through O, with such a velocity that it leaves the circular path after an angular displacement theta Show that when the string again becomes taut it makes an angle 3theta-360^(@) with the downward drawn vertical.
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