A car starts from an initial velocity of 10m/s and accelerates at 2.5m/s².how long will it take the car to reach a speed of 40m/s.. How far doea the car travel during this time?

Answer 1

v = Vi + a t
v = 10 + 2.5 t
40 = 10 + 2.5 t
t = 30/2.5

x = vi t + (1/2) a t^2
= 10 t + 1.25 t^2