287 free courses & lectures available for Physics

Projectile motion (part 2) | One-dimensional motion | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.15 hours
A derivation of a new motion equation. Created by Sal Khan. Watch the next lesson: ...
  
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Projectile motion (part 3) | One-dimensional motion | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.15 hours
An example of solving for the final velocity when you know the change in distance, time, initial velocity, and acceleration. Created by Sal Khan. Watch the next ...
  
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Projectile motion (part 4) | One-dimensional motion | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.15 hours
Solving for time when you are given the change in distance, acceleration, and initial velocity. Created by Sal Khan. Watch the next lesson: ...
  
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Projectile motion (part 5) | One-dimensional motion | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.16 hours
How fast was the ball that you threw upwards? Created by Sal Khan. Watch the next lesson: ...
  
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Introduction to tension | Forces and Newton's laws of motion | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.17 hours
An introduction to tension. Solving for the tension(s) in a set of wires when a weight is hanging from them. Created by Sal Khan. Watch the next lesson: ...
  
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Introduction to tension (part 2) | Forces and Newton's laws of motion | Physics | Khan ...

by Khan Academy on Youtube Youtube
Duration: 0.17 hours
A slightly more difficult tension problem. Created by Sal Khan. Watch the next lesson: ...
  
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Tension in an accelerating system and pie in the face | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.16 hours
The second part to the complicated problem. We figure out the tension in the wire connecting the two masses. Then we figure our how much we need to ...
  
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Introduction to momentum | Impacts and linear momentum | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.16 hours
What momentum is. A simple problem involving momentum. Created by Sal Khan. Watch the next lesson: ...
  
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Momentum: Ice skater throws a ball | Impacts and linear momentum | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.1 hours
A simple conservation of momentum problem involving an ice skater and a ball. Created by Sal Khan. Watch the next lesson: ...
  
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2-dimensional momentum problem | Impacts and linear momentum | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.18 hours
An example of conservation of momentum in two dimensions. Created by Sal Khan. Watch the next lesson: ...
  
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