Question

A car travelling at a velocity of 10 m/s due north speeds up uniformly to a velocity of 25m/s in 3 seconds, calculate acceleration during this time ?

Answer 1

a= v-u/t

= 25-10/3
15/3
5 m/s²

Answer 2

v = u +at
a = (v-u)/t
a = (25 - 10)/3
a = 15/3
a = 5 m/s^2