A variable force is applied to a 0.500 kg toy car as shown in the graph below. At x=0 the toy is at rest. Force (N) 6 Displacement (m) A) Calculate the total work do on the car from x=0 to x=7.00 m. B) Calculate the final velocity of the toy car at x-7.00 m. C) What is the instantaneous acceleration of the car at x=4.00 m