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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 7 - Circular Motion > A particle of mass m attached to a string of length l is descending circular motion on a smooth plane inclined at an angle α with the horizontal. For the particle to reach the highest point its velocity at the lowest point should exceed.

A particle of mass m attached to a string of length l is descending circular motion on a smooth plane inclined at an angle α with the horizontal. For the particle to reach the highest point its velocity at the lowest point should exceed.

A particle suspended from a fixed point by a light inextensible thread of length L is projected horizontally from its lowest position with velocity 27gL​ ​. The thread will slack after swinging through an angle θ such that θ equal.