Question

A car velocity is 40m/ to 50m/s and time taken 20 sec then find the acceleration.

Answer 1

acceleration=change in velocity/time

$a = \frac{v2 - v1}{time} \\ \frac{50 - 40}{20} \\ = \frac{10}{20} = \frac{1}{2}$
hope it will help you.