A road of width 20m forms an arc of radius 15m, its outer edge is 2m higher than its inner edge.For what velocity the road is banked?

Options

(a) √10 ms⁻¹
(b) √14.7 ms⁻¹
(c) √9.8 ms⁻¹
(d) None of these

Correct Answer:

√14.7 ms⁻¹

Explanation:

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