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): Plotting projectile displacement, acceleration, and velocity
Plotting projectile displacement, acceleration, and velocity as a function of time. Class 11 Physics (India) Let's learn, practice, and mas…
VideoFree16 minutes
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Physics: Electrode (surface area test)
What's the difference between one piece of metal and three pieces of metal in our cell. Does deflection change? Why? Physics Learn about th…
VideoFree1 minute
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Health and medicine: Treatments for bipolar disorder
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: Treatment of dementia and Alzheimer's disease
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree6 minutes
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Biology: Vascular plants = Winning!
Hank introduces us to one of the most diverse and important families in the tree of life - the vascular plants. These plants have found tre…
VideoFree11 minutes
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Class 11 Physics (India): Cross product and torque
The cross product and the direction of torque Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT)…
VideoFree10 minutes
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Physics: Pencil resistor
A pencil causes a change in the deflection, similar to the effect of adding an electromagnet. Why? Physics Learn about the basic principles…
VideoFree1 minute
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Health and medicine: Bottom-up vs. top-down processing
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree4 minutes
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Class 11 Physics (India): Adding vectors in magnitude & direction form (1 of 2)
Watch Sal add two vectors given in magnitude and direction form by breaking them down into components first. Class 11 Physics (India) Let's…
VideoFree9
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Class 11 Physics (India): More on Newton's second law
David explains how to use Newton's second law when dealing with multiple forces, forces in two dimensions, and diagonal forces. Class 11 Ph…
VideoFree16 minutes
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Class 11 Physics (India): Turbulence at high velocities and Reynold's number
In this video David explains how the Reynold's number allows you to determine the speed at which fluid flow becomes turbulent. Class 11 Phy…
VideoFree2 minutes
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Class 12 Physics (India): Young's double slit problem solving
An example problem involving a double slit experiment Class 12 Physics (India) It is now time to dive deeper into the world of physics with…
VideoFree7 minutes
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Health and medicine: Buerger disease
Buerger disease (also known as the thromboangiitis obliterans) is a type of vasculitis that affects small and medium blood vessels and has …
VideoFree5 minutes
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Class 11 Physics (India): Proof of power rule for square root function
Sal gives a proof of the power rule for the specific case where n=½ (i.e. for the derivative of √x). Class 11 Physics (India) Let's learn, …
VideoFree5
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Class 11 Physics (India): Relating angular and regular motion variables
In this video David shows how to relate the angular displacement to the arc length, angular velocity to the speed, and angular acceleration…
VideoFree15 minutes