Courses for Physics

287 free courses & lectures available for Physics

Finding height of fluid in a barometer | Fluids | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.17 hours

Using our understanding of fluid pressure to figure out the height of a column of mercury. Created by Sal Khan. Watch the next lesson: ...

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Pressure at a depth in a fluid | Fluids | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.17 hours

Sal finishes the calculation or work to determine the mechanical advantage in a U-shaped tube. He also explains pressure and Pascal's Principal. Created by ...

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Archimedes principle and buoyant force | Fluids | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.15 hours

Introduction to Archimedes' principle and buoyant force. Created by Sal Khan. Watch the next lesson: ...

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Buoyant force example problems | Fluids | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.16 hours

A couple of problems involving Archimedes' principle and buoyant forces. Created by Sal Khan. Watch the next lesson: ...

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Volume flow rate and equation of continuity | Fluids | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.17 hours

Sal introduces the notion of moving fluids and laminar flow. Then he uses the incompressibility of a liquid to show that the volume flow rate (flux) must remain ...

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Bernoulli's equation (part 2) | Fluids | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.17 hours

This is the second of two videos where Sal derives Bernoulli's equation. In the second half of the video Sal also begins an example problem where liquid exits a ...

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Bernoulli's example problem | Fluids | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.13 hours

Sal solves a Bernoulli's equation example problem where fluid is moving through a pipe of varying diameter. Created by Sal Khan. Watch the next lesson: ...

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Thermodynamics part 1: Molecular theory of gases | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.16 hours

Intuition of how gases generate pressure in a container and why pressure x volume is proportional to the combined kinetic energy of the molecules in the volume ...

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Thermodynamics part 2: Ideal gas law | Thermodynamics | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.17 hours

Intuition of how gases generate pressure in a container and why pressure x volume is proportional to the combined kinetic energy of the molecules in the volume ...

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Thermodynamics part 5: Molar ideal gas law problem | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.13 hours

Sal uses the molar version of the ideal gas law to solve for the number of moles in a gas. He also shows how to convert this answer into number of molecules ...

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