Question

A car increase velocity from 30 m/s to 60 m/s in 4 seconds

Answer 1

Acceleration = 7.5

Step-by-step explanation:

Vf = 60m/s

Vi = 30m/s

t = 4s

`Acceleration = (Velocity Change)/(Time Change)\\ a = (60m/s-30m/s)/(4s)\\ a = (30m/s)/(4s)\\ a = 7.5m/s^2\\ or a = 8m/s^2`