A cyclist moving on a circular track of radius 50m completes one revolution in 240s. what is his average speed

Answers (1)

1 revolution = 2\pi r\ m=2\pi\times50=100\pi m

Average speed=total distance covered / time taken

v_{avg}=\frac{100\pi}{240}=\frac{5\pi}{12}=1.3m/s

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