A cyclist on a level road takes a sharp circular turn of radius $3 \;m \;\left( g =10 \;ms ^{-2}\right)$. If the coefficient of static friction between the cycle tyres and the road is $0.2$, at which of the following speeds will the cyclist not skid while taking the turn?
  • A$9\;kmh^{-1}$
  • B$7.2\;kmh^{-1}$
  • C$10.8\;kmh^{-1}$
  • D$14.4\;kmh^{-1}$
NEET 2017, Medium
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