Khan Academy: 2757 products
Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get …
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Class 11 Physics (India): Basic derivative rules: find the error
Sal analyzes two attempts of students to differentiate linear functions. Class 11 Physics (India) Let's learn, practice, and master topics …
VideoFree5
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Class 11 Physics (India) - Hindi: Viscosity and Poiseuille flow (Hindi)
Ram explains the concept of viscosity, viscous force, and Poiseuille's law. Class 11 Physics (India) - Hindi To help students who prefer to…
VideoFree18
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Physics: Lorentz transformation derivation part 1
Using symmetry of frames of reference and the absolute velocity of the speed of light (regardless of frame of reference) to begin to solve …
VideoFree11 minutes
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Health and medicine: What is anemia?
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree8 minutes
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Electrical engineering: Inductor kickback (2 of 2)
We give the inductor's kickback current a path to flow by adding a diode Electrical engineering Learn about electricity, circuit theory, an…
VideoFree7 minutes
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Health and medicine: Autonomic nervous system effects on the heart
Carefully go through each of the four major effects that the sympathetic and parasympathetic system has on your heart: Chronotropy, Dromotr…
VideoFree6 minutes
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Class 11 Physics (India): Introduction to limits (old)
An older video of Sal introducing the notion of a limit. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 phys…
VideoFree8
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Health and medicine: Vocal cord growths
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree5 minutes
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Class 11 Physics (India): Center of mass
Sal gives a conceptual understanding of what center of mass means. Class 11 Physics (India) Let's learn, practice, and master topics of cla…
VideoFree10 minutes
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Class 11 Physics (India) - Hindi: Potential energy stored in a spring (Hindi)
Work needed to compress a spring is the same as the potential energy stored in the compressed spring. Class 11 Physics (India) - Hindi To h…
VideoFree12
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Class 11 Physics (India): Acceleration
Calculating the acceleration of a Porsche Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) sta…
VideoFree9 minutes
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Class 11 Physics (India): Projectile height given time
Figuring out how high a ball gets given how long it spends in the air Class 11 Physics (India) Let's learn, practice, and master topics of …
VideoFree9 minutes
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Class 11 Physics (India) - Hindi: Venturi effect and Pitot tubes (Hindi)
Ram explains the Venturi effect and the role and function of Pitot tubes. Class 11 Physics (India) - Hindi To help students who prefer to l…
VideoFree16
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Class 12 Physics (India): Half-life plot
Definition of half-life and graphing the decay of phosphorus-32. Calculating how much phosphorus-32 remains after 57.2 days. Class 12 Physi…
VideoFree7 minutes
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Class 11 Physics (India): Maxwell-Boltzmann distribution
Using the Maxwell-Boltzmann distribution to visualize the distribution of speeds of particles at different temperatures. Class 11 Physics (…
VideoFree10 minutes