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[" 85.A solid sphere is set into motion ...

[" 85.A solid sphere is set into motion on a rough horizontal "],[" surface with a linear speed "v" in the forward dirizetion "],[" as and an angular speed "v/R" in the anticlockwise direction "],[" as shown in figure "(10-E16)." Find the linear speed of the "],[" sphere (a) when it stops rotating and (b) when slipping "],[" finally ceases and pure rolling starts."],[qquad w=v/R()longrightarrow v]

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