4 6. (6P) Formula Based Problem: A car is speeding down a highway at 30 m/s. A stray dog
runs into the road ahead of the driver. The driver hits the brake decelerating at a rate of
10m/s. The driver managed to stop the car right as it was about to hit the car. How far
away was the dog when the driver first hit the brake?
Formulas: v=at+v.
x=+at+v. t
7. (8P) Formula Based Problem: A baseball player hits a ball at a Vox of 20m/s and a Voy of
20m/s from a height of 1m. How far did it go before hitting the ground? Assume no air
resistance
Formulas: v. =ą, t+Vox x=yzą, t+vt
x=12a, t+vot
Vy=a, t+v