Enjoy your roller coaster ride in Episode 15! Roller coasters are excellent examples of the law of conservation of energy in action. (1:17). Visualize the change in mechanical energy type using a bar graph (2:05). We know that the law of conservation of energy states that unless there was external work done on the earth-coaster system, then the total mechanical energy is constant. (2:54) Finally, calculate power, which is how quickly work can be done or how quickly energy is changed. (7:06)The Question of the Day asks: (8:26) If a roller coaster is located at a position ⅓ as high as the tallest drop (h), using variables only, what would the speed (v) be?Thank you for listening to The APsolute RecAP: Physics 1 Edition!(AP is a registered trademark of the College Board and is not affiliated with The APsolute RecAP. Copyright 2020 - The APsolute RecAP, LLC. All rights reserved.)Website:www.theapsoluterecap.comEMAIL:TheAPsoluteRecAP@gmail.comFollow Us:INSTAGRAMTWITTERFACEBOOKYOUTUBE