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A chain of length l is placed on a smoot...

A chain of length l is placed on a smooth spherical surface of radius R with one of its ends fixed at the top of the sphere. What will be the acceleration w of each element of the chain when its upper end is released? It is assumed that the length of the chain `llt1/2piR`.

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The correct Answer is:
`(Rg//l)//{1-cos(l//R)}`
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