Question

A body completes circular revolution in 40 seconds find distance and displacement after

i)1min 40 sec=100 sec

ii)1 min 30 sec= 90 sec

Note : no need to put value of
$\pi$
​

Answer 1

Answer: We can easily solve this problem without using concepts of physics. Just by using unitary method and some analogy, we can solve this question in a rockstar way. Here it is:

Explanation:

I have done one, try the other one by yourself. Hope it helps.

Thanks!