Question

what is the velocity of the body after 10 secs. and after 40 secs. ?
plz answer.. it is urgent​

Answer 1

Answer:

velocity after 40s is 0m/s because the velocity is decreasing from 30s(B) to 40 and after it there is no movement of the body.

Answer 2

After 10 s, the velocity is 20ms

−1

up to 30 s and after 30 s, the velocity is uniformly restarted to zero after 40 s.