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A small ball of mass m=1 g is placed at ...

A small ball of mass `m=1` g is placed at the bottom of a watch glass of radius `R=1` m. It is displaced by `h=1` cm along the glass surface and released. Calculate the total distance deseribed by it before it comes to rest at the bottom, if `mu =0.1` is the coefficient of friction between the ball and the watch glass.

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