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18 November, 18:09

A 600-kg car is going around a banked curve with a radius of 110 m at a steady speed of 24.5 m/s. what is the appropriate banking angle so that the car stays on its path without the assistance of friction

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  1. 18 November, 21:13
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    The centripetal force tending to take the car off track is

    [ (600 kg) (24.5 m/s) ^2] / (110 m) = 3274.09 N

    Let the banking angle be x.

    Then the restorative force on the car is

    (600 kg) (9.8 m/s^2) sin (x) = 5880sin (x) N

    For dynamic equilibrium,

    5880sin (x) = 3274.09

    sin (x) = 0.5568

    x = arcsin (0.5568) = 33.8°

    Answer: 33.8°
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