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Questions  

A car is travelling at 36 kmph on a road. If µ = 0.5 between the tyres and the road, the minimum turning radius of the car is (g=10ms–2)

a
20m
b
25m
c
30m
d
35m

detailed solution

Correct option is A

Speed of car  =360003600 m/s = 10 m/sFrictional force acting on the car fl = µN = µmgFor no skidding, f ≤ fl

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