Question

Final Exam

5 seconds after starting from rest, a car is moving at 45 m/s. What is the car's average acceleration?

Answer 1

Time= 5 sec

Initial velocity(u)= 0

Final velocity( v)=45 m\s

Accleration(a)=?

We have,

`a = (v - u)/(t)`

`a = (45 - 0)/(5)`

`a = (45)/(5)`

a=9m\s