Question

A particle is moving in a circle of radius 1m with speed varying with time as v = (2t)m/s
In first 2sec:
(A) distance travelled by the particle is 4m
(B) displacement of the particle is 2 sin 2
(C) average speed of the particle is 2m/s
(D) average velocity of the particle is zero​

Answer 1

Average speed of the partical is 2m/s

Answer 2

Answer:

A) and B) and C)

Explanation: Check the photo