1. A race car has a mass of 710 kg. It starts from rest and reaches a final speed of 12.0 m/s in 3 seconds. If the car is
uniformly accelerating during the entire time, what is the net force acting on it?

A :-) for this question , first we should find acceleration -
a = v - u by t
Given - u = 0 m/s
v = 12 m/s
t = 3 sec
Solution -
a = v - u by t
a = 12 - 0 by 3
a = 12 by 3
a = 4

.:. The acceleration is 4 m/s^2.