The APsolute RecAP: Physics 1 Edition - Mechanical Energy Types and Conservation of Energy
- Author
- Ryan McDowell, Brad Kingett, Melanie Kingett, Zach Caruso
- Published
- Fri 18 Dec 2020
- Episode Link
- https://the-apsolute-recap-physics-1-edition.simplecast.com/episodes/the-apsolute-recap-physics-1-edition-mechanical-energy-types-and-conservation-of-energy-YSC9120l
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?
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