A circular road of radius 1000m has banking angle 45°.The maximum safe speed of a car having mass 200 kg will be, if the coefficient of the friction between the tyre and road is 0.5

Options

(a) 172 ms⁻¹
(b) 124 ms⁻¹
(c) 99 ms⁻¹
(d) 86 ms⁻¹

Correct Answer:

172 ms⁻¹

Explanation:

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