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 Form 4 Physics Uniform Circular Motion Questions and Answers

A car of mass 800 kg moves on a circular track of radius 20m.The force of friction between the tyres and the tarmac is 4800N.Determine the maximum speed at which the car can be driven on the track without skidding.
(KCSE 2005 paper 1 question 29.).

 (1m 59s)
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Answer Text:
#F =(m times v times v)/r rightarrow 4800 = (800v times v)/20 rightarrow v =10.95m/s#


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