Select the correct answerIf the radius of a horizontal curve is 120m, then calculate the safe allowable speed.Options60kmph50kmph70kmph80kmph
Question
Solution 1
To calculate the safe allowable speed on a horizontal curve, we can use the formula:
V = sqrt(127Re)
where:
- V is the speed in km/h,
- R is the radius of the curve in meters, and
- e is the coefficient of friction, which is typically assumed to be 0.15 for dry pavement.
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