Question

A car increases its speed from 20m/s to 40m/s in 4 seconds. The acceleration of the car is

A) 5ms–2 B) 15ms–2 C) 20ms–2 D) 15ms–1​

Answer 1

Answer:

a=v-u/t

a=40-20/4

a=20/4

a=5m/s².......

Option A is right ☺️☺️☺️☺️