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

Asked by  | 28th Mar, 2013, 12:06: PM

Expert Answer:

Answered by  | 28th Mar, 2013, 12:43: PM

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