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7. A small hoop of mass m is given an initial velocityof magnitude vo on the horizontal circular ring ofradius 'r'. if the coefficient of kinetic friction is wthe tangential acceleration of the hoop immediatelyafter its release is (assume the horizontal ring to befixed and not in contact with any supporting surface)(a) HgV. |
Answer» <p>If normal F is upwards and my downwards then who is providing centripetal force</p> | |