Question

An athlete completes One round of a circular track of radius R in 20 seconds. what will be his displacement at the end of 2 minute 20 seconds? ​

Answer 1

Answer:

0

Explanation:

The distance he will cover will be

$(2\pi \: r) \times 7$

but his displacement will be 0 as he will return to his initial position after 2 mins 20 secs.

The answer may change if any constraints given like change in acceleration.