Question

A cyclist goes once a round a circular track of radius 42 metres in 100 seconds prove that it's speed will be 2.64metre/second

Answer 1

Answer:

No, the cyclist is wrong his/her speed isn't $2.64m/s$ but in reality he/she has a extremely high speed of $132m/s$.

Explanation:

$Speed=\frac{2πr}{t}$

$Speed=\frac{2*22*42}{7*2}$

$Speed=132m/s$