Q14.40Long answer
A simple pendulum of time period 1s and length l is hung from a fixed support at O, such that the bob is at a distance H vertically above A qo OP=l on the ground (Fig. 14.11). The amplitude is θo . The string snaps at θ = θ0 /2. Find the time taken by the bob to hit the ground. Also find distance from A where bob H hits the ground. Assume θ0 A to be small so that sin θ0 θ0 and cos θ0 1. Fig. 14.11
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