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- A ball weighing 1.0 kg is tied to a string 15 cm long. Initially the ball is held in position such that the string is horizontal. The ball is now released. A nail N is situated vertically below the support at a distance L.What is the minimum value of L (in cm) such that the string will be wound round the nail? <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/physics/7c8deecfcf7a093e9c82a11f2c7cf9d5-.png />
Q.
A ball weighing is tied to a string cm long. Initially the ball is held in position such that the string is horizontal. The ball is now released. A nail is situated vertically below the support at a distance .What is the minimum value of (in cm) such that the string will be wound round the nail?
Answer: 9
Solution: