The radius of the curved road on a natio...

The radius of the curved road on a national highway is `R`. 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 safe over it. The value of `h` is

`(v^(2)b)/(Rg)`

`(v)/(Rgb)`

`(v^(2)b)/(g)`

`(v^(2)b)/(R)`

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