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A motorcycle moving with a velocity 72 kmh⁻¹ on a flat road takes a turn

A motorcycle moving with a velocity 72 kmh⁻¹ on a flat road takes a turn on the road at a point where the radius of curvature of the road is 20 m,the acceleration due to gravity is 10 ms⁻².In order to avoid skidding, he must not bent with respect to the vertical plane by an angle greater than

Options

(a) θ = tan⁻¹(2)
(b) θ = tan⁻¹(6)
(c) θ = tan⁻¹(4)
(d) θ = tan⁻¹(25.92)

Correct Answer:

θ = tan⁻¹(2)

Explanation:

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