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Give a numerical estimate of the minimum safe radius of curvature rmin for an unbanked, circular freeway on-ramp designed for a speed limit of 40 miles per hour. Assume wet road conditions. rmin = m

Give a numerical estimate of the minimum safe radius of curvature rmin for an unbanked, circular freeway on-ramp designed for a speed limit of 40 miles per hour. Assume wet road conditions. rmin = m

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Give a numerical estimate of the minimum safe radius of curvature r min for an unbanked, circular freeway on-ramp designed for a speed limit of 40 miles per hour. Assume wet road conditions.
r min =
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