# Radius of the curved road on national highway is 𝑅. Width of the road is 𝑏. The outer edge of the road is raised by ℎ with respect to inner edge so that a car with velocity 𝑣 can pass safe over it. The value of ℎ is

Question : Radius of the curved road on national highway is 𝑅. Width of the road is 𝑏. The outer edge of the road is raised by ℎ with respect to inner edge so that a car with velocity 𝑣 can pass safe over it. The value of ℎ is

(A) $\dfrac{v^{2}b}{Rg}$

(B) $\dfrac{v}{Rgb}$

(C) $\dfrac{v^{2}R}{g}$

(D) $\dfrac{v^{2}b}{R}$

Answer : option (A)

Solution :

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