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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Organic chemistry: Alkane and cycloalkane nomenclature I
Using IUPAC rules to name linear, branched, and cyclic hydrocarbons Organic chemistry Sal and Jay cover topics covered in college organic c…
VideoFree13 minutes
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Health and medicine: What is epiglottitis?
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree7 minutes
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Class 12 Physics (India): Electric motors (part 3)
Sal finishes the explanation of how a commutator will allow a loop of wire to continue spinning in a magnetic field, thereby allowing it to…
VideoFree7 minutes
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Electrical engineering: DLab: Inspired by sumo robots
Inspiration from Khan Academy's Discovery Lab Electrical engineering Learn about electricity, circuit theory, and introductory electronics.…
VideoFree2 minutes
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Class 11 Physics (India): Free body diagram with angled forces: worked example
Sal draws a free body diagram for a box held stationary against a wall with a force at an angle theta. Class 11 Physics (India) Let's learn…
VideoFree6
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Class 11 Physics (India) - Hindi: Doppler effect for a moving observer (Hindi)
What happens when just the observer is moving? Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hindi vide…
VideoFree7
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Electrical engineering: Non-inverting op-amp
An op-amp can be used to amplify a voltage. The gain is determined by the ratio of two resistors. Electrical engineering Learn about electr…
VideoFree13 minutes
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Class 11 Physics (India): Projectile at an angle
Figuring out the horizontal displacement for a projectile launched at an angle Class 11 Physics (India) Let's learn, practice, and master t…
VideoFree13 minutes
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Class 11 Physics (India): Evaluating logarithms (advanced)
Sal evaluates log₂(8), log₈(2), log₂(⅛), and log₈(½). Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics…
VideoFree4
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Class 11 Physics (India) - Hindi: Rotational kinetic energy (Hindi)
In this video Ram explains what rotational kinetic energy is and how to calculate it. Class 11 Physics (India) - Hindi To help students who…
VideoFree16
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Class 11 Physics (India): Acceleration of aircraft carrier take-off
Using what we know about take-off velocity and runway length to determine acceleration Class 11 Physics (India) Let's learn, practice, and …
VideoFree14 minutes
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Class 11 Physics (India) - Hindi: Choosing kinematic equations (Hindi)
How to set up problems with constant acceleration and choose the best kinematic equation to solve for the target unknown. Class 11 Physics …
VideoFree5
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Class 11 Physics (India): Rolling without slipping problems
David explains how to solve problems where an object rolls without slipping. Class 11 Physics (India) Let's learn, practice, and master top…
VideoFree15 minutes
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Health and medicine: What is coronary artery disease?
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree14 minutes
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Health and medicine: Hemoglobin moves O2 and CO2
Learn the two ways that oxygen moves from the lungs to the tissues, and the three ways that carbon dioxide returns from the tissues to the …
VideoFree15 minutes