Question

70
If the athelete takes t seconds to go once around the circular path of radius
r, the velocity v is given by
ir 2
b.v = C. V = d.v= *
2707
a. V
t​

Answer 1

Step-by-step explanation:

Hi there!!

This ques is quite simple, you just need to be clear with your concept!

Speed = Distance / time

Here, Distance = 2πr ( circumference of circle with radius ‘ r’.

Time = t

So putting the values

Speed = 2πr / t

Hope it will help you!!