Question

A car starts from rest and retains the acceleration of 4m/s² in 20 second. calculate its final velocity.

step by step

Answer 1

80m/s

Step-by-step explanation:

`(acceleration)= ((change \: in \: velocity))/((change \: in \: time))`

4 = v/20

V = 4 * 20

V = 80( final velocity)