Question

A cyclist completes 5 rounds of a circular track of radius 21 metres in 12 minutes calculate his speed

Answer 1

radius= 21 m
circumference of circular track=2×22/7×21 =132 m = distance covered in 1 round
dist. covered in 5 rounds= 5×132= 660 m
time taken to complete 5 rounds= 12 min=
= 12×60 sec.=720 sec
speed of cyclist = distance/time
=660/720 = 0.91 m/s. Ans.

Answer 2

Here is your answer bro! Mark me as Brainliest!!!