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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 9 - Circular Motion > A nail is located at a certain distance vertically below the point of suspension of a simple pendulum of length 1 m. The pendulum bob is released from a position where the string makes an angle of 60^∘ with the vertical. Calculate the distance of nail from the point of suspension such that the bob will just perform revolutions with the nail as the centre.

A nail is located at a certain distance vertically below the point of suspension of a simple pendulum of length 1 m. The pendulum bob is released from a position where the string makes an angle of 60^∘ with the vertical. Calculate the distance of nail from the point of suspension such that the bob will just perform revolutions with the nail as the centre.

if w= i - j + k and r = i - 2j + 3k? What is the value of linear velocity