Question

a car increases it's velocity from 0 m/s to 14 m/s in 2 seconds

Answer 1

The acceleration produced in the car will be
(v-u)/t
14/2
7m/s^2
Hope it helped u

Answer 2

u = 0 m/s
v = 14 m/s
t = 2 s
a = (v - u) / t
= (14 - 0) / 2
= 14 / 2
a = 7 m/s^2