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287 free courses & lectures available for Physics

Calculating dot and cross products with unit vector notation | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.16 hours
Calculating the dot and cross products when vectors are presented in their x, y, and z (or i,j, and k) components. Created by Sal Khan. Watch the next lesson: ...
  
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First law of thermodynamics / internal energy | Thermodynamics | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.29 hours
First law of thermodynamic and internal energy. Created by Sal Khan. Watch the next lesson: ...
  
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More on internal energy | Thermodynamics | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.23 hours
Getting more intuition of internal energy, heat, and work. Examples of using the first law to calculate work. Created by Sal Khan. Watch the next lesson: ...
  
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Carnot cycle and Carnot engine | Thermodynamics | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.35 hours
Introduction to the Carnot cycle and Carnot heat engine. Created by Sal Khan. Watch the next lesson: ...
  
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Refraction and Snell's law | Geometric optics | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.24 hours
Refraction and Snell's Law. Created by Sal Khan. Watch the next lesson: ...
  
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Snell's law example 2 | Geometric optics | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.19 hours
Snell's Law Example 2. Created by Sal Khan. Watch the next lesson: ...
  
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Total internal reflection | Geometric optics | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.13 hours
Critical incident angle and total internal reflection. Created by Sal Khan. Watch the next lesson: ...
  
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Intro to vectors & scalars | One-dimensional motion | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.14 hours
Distance, displacement, speed and velocity. Difference between vectors and scalars. Created by Sal Khan. Watch the next lesson: ...
  
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Calculating average velocity or speed | One-dimensional motion | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.2 hours
Example of calculating speed and velocity. Created by Sal Khan. Watch the next lesson: ...
  
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Acceleration | One-dimensional motion | Physics | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.15 hours
Calculating the acceleration of a Porsche. Created by Sal Khan. Watch the next lesson: ...
  
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