Question

A car starts with a velocity of 40m/s and increase it's speed to 100m/s after 20 sec. calculate the acceleration and average velocity of the car.​

Answer 1

Acceleration of the car is 3m/s²

Explanation:

As we know that

acceleration = a = ?

final velocity = v = 100m/s

initial velocity = u = 40m/s

time = t = 20 sec

a = (v-u)/t

so

a = (100 - 40) / 20

a = 60 / 20

a = 3m/s²