The radius of a curved road is $R$,and the width of the road is $b$. The outer edge of the road is raised by $h$ with respect to the inner edge so that a car with velocity $V$ can pass safely over it. The value of $h$ is ($g =$ acceleration due to gravity).
- A$\frac{V^2 b}{R g}$
- B$\frac{V}{Rgb}$
- C$\frac{V^2 R}{g}$
- D$\frac{V^2 b}{g}$
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