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: Ventricular tachycardia (Vtach)
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree8 minutes
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Health and medicine: Antiarrhythmics
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree12 minutes
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Health and medicine: Emphysema treatment
The best way to prevent and manage emphysema is to stop smoking. Learn how drugs such as bronchodilators, antibiotics, and steroids can be …
VideoFree10 minutes
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Health and medicine: Reproductive cycle graph - Luteal phase
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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Health and medicine: What's inside of blood?
Spin down your blood and find out what it's made up of. Rishi is a pediatric infectious disease physician and works at Khan Academy. Health…
VideoFree11 minutes
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Health and medicine: Vaccines and the autism myth - part 1
The infamous Wakefield study kickstarted the Autism Myth, but many studies have since shown that there is no link between the MMR Vaccine a…
VideoFree10 minutes
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Health and medicine: Paying doctors
Basics of how doctors get paid Health and medicine The medical world can be a confusing place. Patients, their families, and even students …
VideoFree12 minutes
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Class 11 Physics (India) - Hindi: Force vs time graphs (Hindi)
In this video, Ram explains how to use a force vs. time graph to find impulse and solves an example problem to find the final velocity of a…
VideoFree10
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Class 11 Physics (India): Linear expansion
How much does iron expand on heating? How do you answer such questions? How do we assign a number to thermal expansion? In this video, we a…
VideoFree12
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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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Physics: Resistors in series
Resistors that come one after another Physics Learn about the basic principles that govern the physical world around us. Solid understandin…
VideoFree11 minutes
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Class 11 Physics (India): Thermodynamics part 4: Moles and the ideal gas law
Sal explains the concept of a mole. Then he derives the molar version of the ideal gas law PV=nRT, where the gas constant R=831 J/molK. Cla…
VideoFree10 minutes
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Class 11 Physics (India): Relationship between exponentials & logarithms
Sal rewrites 100=10^2 as a logarithmic equation and log_5(1/125)=-3 as an exponential equation. Class 11 Physics (India) Let's learn, pract…
VideoFree2
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Class 11 Physics (India): Thermal expansion of ring
How much does the ring expand on heating. This is a problem that seems quite complicated, but it's actually a linear expansion problem. In …
VideoFree12
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Health and medicine: Neuron resting potential description
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree7 minutes