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): Reverse power rule
Can you find a function whose derivative is x^n? Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCE…
VideoFree6
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Electrical engineering: Sine of time
If we introduce time as the argument to the sine function, we get a sine wave. Animated. Electrical engineering Learn about electricity, ci…
VideoFree11 minutes
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Class 12 Physics (India): Magnetic force on a proton example (part 1)
Sal does an example problem to determine the size and direction of the magnetic force on a proton moving through a magnetic field. Class 12…
VideoFree11 minutes
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Class 11 Physics (India): Worked example: finding unit vector with given direction
Learn what a unit vector is and how to find a unit vector in the direction of a given vector. Class 11 Physics (India) Let's learn, practic…
VideoFree5
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Organic chemistry: Naming alkanes with ethyl groups
Naming conventions for alkane chains that have an ethyl group branch. Organic chemistry Sal and Jay cover topics covered in college organic…
VideoFree3 minutes
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Organic chemistry: Synthesis using alkynes
Using a flowsheet showing different reactions of alkanes, alkenes, and alkynes to solve an organic synthesis problem. Organic chemistry Sal…
VideoFree12 minutes
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Physics: AP Physics 1 review of Torque and Angular momentum
In this video, David quickly explains each torque and angular concept and does a sample question for each one. Physics Learn about the basi…
VideoFree20 minutes
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Class 11 Physics (India): Super hot tension
David shows how to solve a super hot tension problem where a can of peppers hangs from two diagonal strings. Class 11 Physics (India) Let's…
VideoFree17 minutes
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Health and medicine: Fick's law of diffusion
Learn all of the different ways to maximize the amount of particles that diffuse over a short distance over time. Rishi is a pediatric infe…
VideoFree12 minutes
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Health and medicine: Double Bohr effect
Learn how there are two distinct Bohr effects happening at the same time in the placenta. Rishi is a pediatric infectious disease physician…
VideoFree11 minutes
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Class 10 Physics (India): Absolute & Relative refractive index
Let's explore the refractive index in detail. We will see the difference between absolute and relative refractive index Created by Mahesh S…
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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) - Hindi: Acceleration (Hindi)
Visualizing, adding and breaking down vectors in 2 dimensions Class 11 Physics (India) - Hindi To help students who prefer to learn by watc…
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Class 11 Physics (India): Connecting f and f' graphically
More practice with the relationship between the graph of a function and the graph of its derivative. Class 11 Physics (India) Let's learn, …
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Physics: Projectile motion (part 5)
How fast was the ball that you threw upwards? Physics Learn about the basic principles that govern the physical world around us. Solid unde…
VideoFree10 minutes