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A translating and rotating ring of mass ( 1 mathrm{~kg} ), angular speed of ( 500 mathrm{rpm} ), and translational speed of ( 1 mathrm{~m}
A translating and rotating ring of mass \( 1 \mathrm{~kg} \), angular speed of \( 500 \mathrm{rpm} \), and translational speed of \( 1 \mathrm{~m} / \mathrm{s} \) is placed on a horizontal surface. The coefficient of friction between the ring and the surface is 0.35 .
For an outside radius of \( 3 \mathrm{~cm} \), the time at which skidding stops and rolling begins is most nearly (A) \( 0.01 \mathrm{~s} \) (B) \( 0.1 \mathrm{~s} \) (C) \( 1 \mathrm{~s} \) (D) \( 10 \mathrm{~s} \)
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