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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Health and medicine: Precocious puberty
At Stanford Medical School with Morgan Theis talking to Dr. Laura Bachrach talking about precocious puberty Health and medicine The medical…
VideoFree10 minutes
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Electrical engineering: Complex exponential magnitude
A closer look at the complex exponential term in Euler's Formula. We see that it represents a complex number, a distance of 1 from the orig…
VideoFree6 minutes
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Class 11 Physics (India) - Hindi: Introduction to Momentum (Hindi)
What is momentum? A simple problem involving momentum. Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hi…
VideoFree10
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Health and medicine: What is bacterial vaginosis?
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree5 minutes
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Class 11 Physics (India): Conservative forces
A conservative force exists when the work done by that force on an object is independent of the object's path. Instead, the work done by a …
VideoFree4 minutes
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Health and medicine: Diagnosis, treatment, and prevention of syphilis
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree10 minutes
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Electrical engineering: RC step response example (3 of 3)
An example solution of an RC step response, with real component values. Electrical engineering Learn about electricity, circuit theory, and…
VideoFree4 minutes
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Health and medicine: Compensation and decompensation in heart failure
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree8 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): Basic derivative rules
Once you know how to take the derivative of x^n, it turns out you can take the derivative of any polynomial. Let's see why... Class 11 Phys…
VideoFree10
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Health and medicine: What's in sweat? (Holocrine, Apocrine, Merocrine Glands)
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree6 minutes
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Class 11 Physics (India): Finding torque for angled forces
David explains how to determine the torque exerted by a non-perpendicular force. Class 11 Physics (India) Let's learn, practice, and master…
VideoFree12 minutes
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Electrical engineering: Fun with Spider Bot
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree
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Health and medicine: Risk factors for drug use and drug abuse
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree12 minutes
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Class 11 Physics (India): Derivation of beat frequency formula
In this video David derives the formula for beat frequency. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 p…
VideoFree10 minutes