The maximum velocity (in m s - 1 ) with which a car driver must traverse a flat curve of the radius of 150 m and the coefficient of friction 0 . 6 , to avoid skidding is

Question

The maximum velocity (in m s - 1 ) with which a car driver must traverse a flat curve of the radius of 150 m and the coefficient of friction 0 . 6 , to avoid skidding is, 60, 30, 15, 25

MARKS App · Accepted Answer

Using the relation m v 2 r = μ R , R = m g m v 2 r = μ m g ⟹ v 2 = μ r g v 2 = 0.6 × 150 × 10 v = 30 m s - 1

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