Thank you, willem2! It makes a lot more sense now (plus I've had a good 9 hours of sleep). :)
Lesson learned: don't try to convert units in your head at 1am
1. Homework Statement :
You are at the top of a hill that is 150 m in height and are traveling at 36 km/h when your car runs out of gas. Due to the relatively shallow grade, the road down the hill is 3000 m long. After rolling down the hill, the car continues to roll on a horizontal section of...