1. Warm Up For a pendulum in motion, when does it have the most potential energy? Kinetic energy? How are these maximums related? For a pendulum in motion, when does it have the most potential energy? Kinetic energy? How are these maximums related? If they are traveling at the same speed, which has more kinetic energy a bowling ball or soccer ball? If they are traveling at the same speed, which has more kinetic energy a bowling ball or soccer ball? What is the velocity of a 50 kg diver right before she hits the water if she stepped off of a 3 m board? What is the velocity of a 50 kg diver right before she hits the water if she stepped off of a 3 m board?

2. Homework Pg 267 (10, 15, 26, 28, 61, 64-66)‏

3. Quiz

4. Homework Read Pg 278 & 289-294 Read Pg 278 & 289-294 What are 2 laws of thermodynamics? What are 2 laws of thermodynamics? In your own words, what do these laws mean? Give examples. In your own words, what do these laws mean? Give examples. How are energy transfers and energy transformations different? (may not be in your book)‏ How are energy transfers and energy transformations different? (may not be in your book)‏