Question

a body completes one cycle on a circular track of radius r in 20 seconds The distance and displacement of the body after 50 seconds are​

Answer 1

Answer:

$5\pi r$

Step-by-step explanation:

$2\pi r + 2\pi r + \pi r = 5\pi r$

$2\pi r$

It is distance covered in first 20 seconds.

$2\pi r$

It is distance covered in second 20 seconds.

$\pi r$

It is distance covered in last 10 seconds.

By adding both three your answer comes to be

$5\pi r$