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    Newton's laws: Speed limit on highway curve

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    On a highway curve with radium 50m, the maximum centripedal force that can act on a 1,000kg car going around the curve is 8,000 Newtons. What speed limit should be posted for the curve so that cars can negotiate it safely?

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    Solution Preview

    F = mv^2/r
    m = 1000 kg
    v = ?
    r = 50 meter
    F = 8000 ...

    Solution Summary

    The solution explains the calculations to arrive at the answer.