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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Physics: Object image height and distance relationship
Object Image Height and Distance Relationship Physics Learn about the basic principles that govern the physical world around us. Solid unde…
VideoFree2 minutes
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Chemistry: Unusual oxygen oxidation states
Determining oxidation numbers in hydrogen peroxide, H₂O₂, and oxygen difluoride, OF₂. Chemistry Did you know that everything is made out of…
VideoFree4 minutes
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Health and medicine: Chronic bronchitis pathophysiology
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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Organic chemistry: Signal characteristics - wavenumber
Using equations to predict the wavenumber for different types of chemical bonds. Organic chemistry Sal and Jay cover topics covered in coll…
VideoFree15 minutes
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Class 11 Physics (India): Linear expansion numerical
Let's put our linear expansion coefficient to action. In this video we will explore a numerical on linear expansion and see, step by step, …
VideoFree7
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Class 11 Physics (India) - Hindi: Race cars with constant speed around curve (Hindi)
When acceleration could involve a change in direction and not speed. Class 11 Physics (India) - Hindi To help students who prefer to learn …
VideoFree6
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Health and medicine: Angiotensin 2 raises blood pressure
See how Angiotensin 2 effects 4 target "organs" to increase blood pressure. Rishi is a pediatric infectious disease physician and works at …
VideoFree11 minutes
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Health and medicine: Sensory adaptation and amplification
Sensory adaptation and amplification are discussed in this video to differentiate the two. By Ronald Sahyouni. Health and medicine The medi…
VideoFree4 minutes
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Health and medicine: Problem solving
Learn about types of problems and common approaches to solving them. Health and medicine The medical world can be a confusing place. Patien…
VideoFree6 minutes
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Class 11 Physics (India): Work/energy problem with friction
A conservation of energy problem where all of the energy is not conserved. Class 11 Physics (India) Let's learn, practice, and master topic…
VideoFree10 minutes
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Class 11 Physics (India): Power
IIII haaaave the powerrrr! Power is the rate at which work is done. Class 11 Physics (India) Let's learn, practice, and master topics of cl…
VideoFree6 minutes
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Health and medicine: Mouth
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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Class 11 Physics (India): Worked example: distance and displacement from position-time graphs
Worked examples finding displacement and distance from position-time graphs. Class 11 Physics (India) Let's learn, practice, and master top…
VideoFree9
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Class 11 Physics (India): Launching and landing on different elevations
More complicated example involving launching and landing at different elevations Class 11 Physics (India) Let's learn, practice, and master…
VideoFree15 minutes
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Class 11 Physics (India): Force vs. time graphs
David explains how to use a force vs. time graph to find the change in momentum and solves an example problem to find the final velocity of…
VideoFree8 minutes