Question

Calculate the velocity of a car running on a circular track of diameter 1 km, if it completes a round in 1200 seconds.
( Taking velocity= 2?r/t )

Answer 1

Dear Student
$v=\frac{d}{t}=\frac{2\pi r}{t}=\frac{2\pi \left(500m\right)}{1200}=\frac{5\pi }{6}=0.833\mathrm{\pi }m/s$

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