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- Voherige Episode S01E162 - Work and Energy - Physics 101 / AP Physics 1…
- Episode S01E163
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28 octobre 2022 - 01:34
auf 11 Datenbanken -
Conservation of Energy - Physics 101 / AP Physics 1 Review with Dianna Cowern
Lesson 10 (Conservation of Energy) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need an AP Physics 1 review before the exam? This course is for you!
Exercises in this video:
1. You compress a spring by 0.2 cm. You measure a restorative force of 0.55N. What is the spring constant of that spring?
2. A scary amusement park shoots you and your friend 80 meters into the air. The total mass of the people and car in the ride is 400 kg. What work was done by gravity on the trip up? How much potential energy is now stored in the gravitational field?
3. All of that energy (in the previous problem) came from around 700 springs, in parallel, each compressed by 1.25 meters. What is the spring constant of each of those springs?
4. Can you use conservation of energy arguments to show that Dianna is wrong, and the back of the roller coaster is by far the best place to sit?
Special thanks to Sophia Chen for her awesome shoutout at the end of the video!
Credits:
Dianna Cowern - Executive Producer/Host/Writer
Jeff Brock - Lead Writer/Course Designer
Laura Chernikoff - Producer
Rachel Watson - Video Editor
Sophia Chen - Researcher/Writer
Erika K. Carlson - Researcher/Writer
Hope Butner - Production Assistant
Levi Butner - Videographer
Lauren Ivy - Set Design
Vanessa Hill - Consulting Producer
Aleeza McCant - Illustrator
Rachel Allen - Illustrator
Consultant - Kyle Kitzmiller
Lucy Brock, Samantha Ward - Curriculum Consultants
Cathy Cowern - Transcription
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