A car of mass 1000kg moves on a circular path with speed of 12 m/s . It turned through 90degree after travelling 471 m on a road . The centripetal force is
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m=1000kg v=16m/s ⟹628=r(2π)⟹r=400
∴Centripetal force=rmv2=400(1000)(16)(16)=640N
∴Centripetal force=rmv2=400(1000)(16)(16)=640N
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