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An auto race is held on a circular track. A car completes one lap in a time of 19.2 s, with an average tangential speed of 39.8 m/s

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3 answers
  1. You forgot to ask the question.

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  2. Oops!! Find the following......

    (a) the average angular speed

    (b) the radius of the track

    (a) is 2pi / 19.2s = .327 rad/s
    (b) .......

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  3. (b) radius=tangential speed/angular speed.
    39.8/.327=121.7m

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