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: Tonsillopharyngitis - Complications, diagnosis, and treatment
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree10 minutes
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Class 11 Physics (India): The equation of a wave
In this video David shows how to determine the equation of a wave, how that equation works, and what the equation represents. Class 11 Phys…
VideoFree15 minutes
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Class 11 Physics (India) - Hindi: Yo yo in vertical circle example (Hindi)
In this video Ram explains how to find the tension in a string that is whirling a yo-yo in a vertical circle. Class 11 Physics (India) - Hi…
VideoFree11
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Class 11 Physics (India) - Hindi: Rain man problem (Hindi)
In this video Ram solves the classic "Rain-Man problem" which is just another application of relative motion in 2 dimensions. Class 11 Phys…
VideoFree9
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Electrical engineering: Digital recorder/player connections
In this video we attach and wire a digital voice recorder to Bit-zee. Electrical engineering Learn about electricity, circuit theory, and i…
VideoFree7 minutes
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Class 11 Physics (India): Linear velocity comparison from radius and angular velocity: Worked example
Linear velocity from the radius and angular velocity for two pumpkin catapults with different arm lengths. Class 11 Physics (India) Let's l…
VideoFree6
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Health and medicine: What is gluten?
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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Electrical engineering: Chassis modifications
This video shows how Bit-zee's shell was modified to allow space for the bumper switches. Electrical engineering Learn about electricity, c…
VideoFree3 minutes
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Health and medicine: Multiple sclerosis pathophysiology
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree7 minutes
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Health and medicine: How white blood cells move around
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree9 minutes
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Class 11 Physics (India): Indefinite integrals of sin(x), cos(x), and eˣ
∫sin(x)dx=-cos(x)+C, ∫cos(x)dx=sin(x)+C, and ∫eˣdx=eˣ+C. Learn why this is so and see worked examples. Class 11 Physics (India) Let's learn…
VideoFree4
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Health and medicine: Flu vaccine efficacy
Find out just how useful the flu vaccine actually is at preventing the flu! Rishi is a pediatric infectious disease physician and works at …
VideoFree10 minutes
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Physics: AP Physics 1 review of Waves and Harmonic motion
In this video David quickly explains each concept for waves and simple harmonic motion and does an example question for each one. Physics L…
VideoFree20 minutes
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Class 11 Physics (India): Chain rule
The chain rule states that the derivative of f(g(x)) is f'(g(x))⋅g'(x). In other words, it helps us differentiate *composite functions*. Fo…
VideoFree5
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Class 11 Physics (India): Bernoulli's equation (part 4)
Clarification of, and more thoughts on, the Bernoulli's equation example problem where liquid exits a hole in a container. Class 11 Physics…
VideoFree5 minutes