A cyclist goes around a circular track once every 2 minutes.If the radius of the circular track is 105 meters calculate the speed of the cyclist?​

Answers (1)

In every 2 min = 120 sec cyclist complete a distance = circumference of the circle

distance

d=2\pi r=2\times\frac{22}{7}\times105=2\times22\times15=660m

660 m is covered in 120 sec. Therefore speed

s=\frac{d}{t}=\frac{660}{120}=5.5m/sec 

 

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