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Question
A curved road of 50 m radius is banked at correct angle for a given speed. If the speed is to be doubled, keeping the same banking angle, the radius of curvature of the road should be changed to
A curved road of 50 m radius is banked at correct angle for a given speed. If the speed is to be doubled, keeping the same banking angle, the radius of curvature of the road should be changed to
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Solution
The correct option is D 200 m
therefore, when speed v is doubled; r must be made 4 times, if θ remains the same.
∴ New radius of curvature,
R' = 4r = 4 × 50 m = 200 m
200 m
∴ New radius of curvature,
R' = 4r = 4 × 50 m = 200 m
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