A national roadway bridge over a canal is in the form of an arc of a circle of radius 49 m.What is the maximum speed with which a car can move without leaving the ground at the highest point? (take, g= 9.8 ms⁻²)

Options

(a) sin⁻¹ (0.64)
(b) tan⁻¹(0.64)
(c) cos⁻¹(0.64)
(d) None of these

Correct Answer:

tan⁻¹(0.64)

Explanation:

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