Figure (3-E6) shows x-t graph of a particle. Find the time t such that the average velocity of the particle during the period O to t is zero.

Question

Philoid · Accepted Answer

Let B be a point at t=12 s

At t=0 s, distance, S=20 m

At t=12 s, distance, S=20 m

I.e.

∴ t= 12 s is the time where average velocity =0 m/s