A cyclist moving on a circular track of radius 50m completes one revolution in 4 minutes. What is his
(a) average speed
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Explanation:
D=2 x pie x r =2 x (22÷7)×50
(s)=total distance ÷total time
(s) = 2×(22÷7)×50÷4×60 m/s
=55/42 m/s
=1.3 m/s
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