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10 January, 09:13

a car takes 1.2 minutes to travel around a track with a radius of 12 meters what is the tangentiavelocity of the car?

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  1. 10 January, 09:43
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    Circumference of a circle = 2π x Radius

    Distance around the track = 2π x 12 meters = 24π meters

    If the track is a circle, tangential velocity = its speed.

    Speed = (distance covered) / (time to cover it)

    Speed = (24π meters) / (1.2 minutes)

    Speed = 20π meters/minute (about 1.05 meter/second)
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