1. An automobile with a mass of 1000 kilograms accelerates when the traffic light turns green. If the net force on the car is 4000 Newtons, what is the car's acceleration?
2. A 25 Newton force accelerates a boy in a wheelchair at 0.5 m/s^2. What is the mass of the
boy and the wheelchair? (Hint: Solve Newton's second law for mass m=Fla)