A car is negotisting a curved road of ra...

A car is negotisting a curved road of radius `R` . The road is banked at an angle theta. The coefficient of friction between the tyres of the car and the road is `mu_(s)` . The maximum safe velocity on this road is:

`sqrt(gR^(2) (mu_s + tan theta)/(1-mu_s tan theta)`

`sqrt(gR (mu_s + tan theta)/(1-mu_s tan theta)`

`sqrt(g (mu_s + tan theta)/R(1-mu_s tan theta)`

`sqrt(g (mu_s + tan theta)/R^(2)(1-mu_s tan theta)`

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