10-29-08

Cory Miller Period 1

It was a windy wednesday morning when my favorite class, physics, started. Kids piled in the class room when the bell, eager to learn and discuss physics. The class started out with the daily question. It had to do with linear motion and acceleration. The question was what was the distance traveled of a ball that was thrown in the air with a velocity of 5.3 meters per second. First, you have to find the time which was 0.54 seconds. Then, from there you had to find the distance traveled which was 1.43 meters. The linear motion diagram had velocity increasing and acceleration decreasing. It was a pretty difficult equation with multiple steps. After that the class started working on making their own linear motion problem. The problem we created had to be based on kinematics and must demonstrate understanding in problem solving. The problem must also be solved and typed in order to receive full credit. You also need a linear motion diagram and a VT graph in order to get credit. My problem was: A car was at rest at 0 meters per second and the driver saw a snake in the car and got scared. Thinking he could get away, and floored it. He reached a velocity of 100 meters per second in 5 seconds. What was his acceleration? The answer is 20 meters per second per second. The linear motion diagram i made was acceleration up and velocity up.