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Unformatted text preview: Solution for Long-answer Homework 8 Energy problems Solution to Long-answer Homework Problem 8.1(Practice test for homework) Problem: Please make sure you got all of the questions right on the practice test. It was the best way to prepare for the exam, so you should have fixed it after we looked at it in lecture last week. Bring it to class and turn it in as your homework for this week along with the one additional problem. (If you were good studying for your exam last week, you deserve a bit of a break! If not, you needed to work on it some more...) Solution Total Points for Problem: 5 Points Solution to Long-answer Homework Problem 8.2() Problem: A car with inertia 1200kg is driving down a one-way street at- 5 m s . An unobservant driver of a 1800kg pickup truck is driving the wrong way down the street at a speed of +3 m s , and runs head-on into the car. (a)What kind of collision is this (totally inelastic, inelastic, or elastic), if the speed of the pickup is- 1 . 5 m s after they collide? You must prove your answer.after they collide?...
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