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The maximum speed that a car can travel around a flat curved road is 18m/s. What would be the maximum speed for that car around a curve with half the radius?

  • physics -

    assuming friciton was the same,

    original friction=mv^2/r=m18^2/r

    original friction2= mV^2/(r/2)

    divide the first equation by the second

    1=18^2/v^2 (1/2)
    solve for v

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