Question

A car with an initial speed of 3m/s undergoes an acceleration of 2m/s. At the end of the acceleration the final speed of the car is 15m/s. What is the time taken for the acceleration?

Answer 1

Answer:

6 seconds

Step-by-step explanation:

from first equation of motion

Vf=Vi+at

15=3+2×t

15-3=2×t

12=2×t

t=12/2

t=6

t=6 seconds