A stone attached to a string is whirled round in a horizontal circle with constant speed of 10m/s .Calculate the

A stone attached to a string is whirled round in a horizontal circle with constant speed of 10m/s .Calculate the difference in the velocity with the stone is at

I) opposite ends of a diameterIi) in two positions A and B where angle AOB is 90° & O is the centre of the circle ​


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