Question: An auto race takes place on a circular track. A car completes one lap in a time of 18.9 s, with an average tangential speed

An auto race takes place on a circular track. A car completes one lap in a time of 18.9 s, with an average tangential speed of 42.6 m/s. Find
(a) The average angular speed
(b) The radius of the track.

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