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- Vorige aflevering S01E148 - Are planes safe during COVID?
- Aantal S01E149
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Laatste update
28 octobre 2022 - 01:34
op 11 databases -
1D Motion & Kinematics - Physics 101 / AP Physics 1 Review with Dianna Cowern
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:
PROBLEM 1
A girl is riding her bike with a constant velocity of 10 m/s. How far has she gone after 7 seconds? Graph her motion both in x vs t, and v vs. t. Show her displacement on both graphs.
PROBLEM 2
A driver is driving at a constant velocity of 20 m/s. She steps on the gas at t=0 and accelerates to 30 m/s with constant acceleration. It took her 4 seconds to accelerate. How far did she go in those 4 seconds? Graph her motion on a v vs t graph and show the displacement on that graph.
PROBLEM 3
A biker, biking at 10 m/s hits a tree and comes to a complete stop. Assuming a helmet “crumple zone” of 10 cm, what is the minimum acceleration her head could undergo? How many “g”s is that?
Dianna Cowern - Executive Producer/Host/Writer
Jeff Brock - Lead Writer/Course Designer
Laura Chernikoff - Producer
Spenser Reich - Video Editor
Sophia Chen - Researcher/Writer
Levi Butner - Videographer
Hope Butner - Production Assistant
Darren Dyk - Slow Motion Cinematography
Andy Brown - Curriculum Consultant
Set Design - Lauren Ivy
Vanessa Hill - Consulting Producer
Aleeza McCant - Illustrator
Alicia Cowern - Transcription
Lucy Brock, Samantha Ward - Curriculum Consultants
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