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Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 10 - Circular Motion > A stone tied to a string of length l is whirled in a vertical circle with the other end of the string at the centre. At a certain instant of time, the stone is at its lowest position and has a speed u. The magnitude of the change in velocity as it reaches a position, where the string is horizontal, is

A stone tied to a string of length l is whirled in a vertical circle with the other end of the string at the centre. At a certain instant of time, the stone is at its lowest position and has a speed u. The magnitude of the change in velocity as it reaches a position, where the string is horizontal, is

A stone tied to a string of length l is whirled in a vertical circle with the other end of the string at the centre. At a certain instant of time is the stone is at its lowest position and has a speed u. The magnitude of the change in velocity as it reaches a position where the string is horizontal