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A 1500 kg car is turning around an arc of radius 20 m at a constant speed of 30 mph without slipping. What is the friction force the ground exerts on the car?

  • Physics -

    F = m a
    = 1500 v^2/20
    v = 30 mi/hr *(1 hr/3600s)(1609 m/mi)
    = 13.4 m/s

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