Question

A car accelerates from 10 m/s to 40 m/s in 5 seconds, Find the velocity of the car at 3 seconds

Answer 1

Step-by-step explanation:

acceleration = change in velocity / change in time = 30 m/s / 5 s = 6 m/s^2

Final velocity at 3 s :

vf = vo + at

= 10 m/s + 6 m/s^2 * 3 s = 28 m/s