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): Static and kinetic friction example
Thinking about the coefficients of static and kinetic friction Class 11 Physics (India) Let's learn, practice, and master topics of class 1…
VideoFree10 minutes
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Class 11 Physics (India) - Hindi: Solved example: strength of femur (Hindi)
How much weight can our thigh bone withstand? In this video, we will calculate the maximum force our thigh bone can withstand. The answer m…
VideoFree5
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Class 11 Physics (India): Stellar parallax clarification
Stellar Parallax Clarification Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) starting with …
VideoFree2 minutes
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Class 11 Physics (India) - Hindi: Instantaneous speed and velocity (Hindi)
Instantaneous speed and velocity look at really small displacements over really small periods of time. Class 11 Physics (India) - Hindi To …
VideoFree12
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Class 11 Physics (India): Product rule
Introduction to the product rule, which tells us how to take the derivative of a product of functions. Class 11 Physics (India) Let's learn…
VideoFree3
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Class 12 Physics (India): Calculating dot and cross products with unit vector notation
Calculating the dot and cross products when vectors are presented in their x, y, and z (or i, j, and k) components. Class 12 Physics (India…
VideoFree10 minutes
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Class 11 Physics (India): Limit expression for the derivative of a linear function
Sal interprets a limit expression as the derivative of a linear function at a point, and evaluates it. Class 11 Physics (India) Let's learn…
VideoFree5
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Class 11 Physics (India) - Hindi: More on Normal force (shoe on floor) (Hindi)
Ram explains how to determine the normal force for a variety of scenarios (extra forces, diagonal forces, acceleration) involving a shoe on…
VideoFree11
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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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Organic chemistry: Alkane and cycloalkane nomenclature III
Practice naming hydrocarbons with branches and rings. Also discusses classification of carbons: primary, secondary, tertiary, and quaternar…
VideoFree13 minutes
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Class 11 Physics (India): Ideal gas equation example 4
Figuring out the molar mass of a mystery molecule at STP. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 phy…
VideoFree5 minutes
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Class 12 Physics (India): Electric motors (part 2)
Sal shows that a commutator can be used in order to keep the loop of wire rotating in the magnetic field. Class 12 Physics (India) It is no…
VideoFree11 minutes
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Class 11 Physics (India): Power rule
Sal introduces the power rule, which tells us how to find the derivative of xⁿ. Class 11 Physics (India) Let's learn, practice, and master …
VideoFree4
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Class 11 Physics (India): Newton, Leibniz, and Usain Bolt
Why we study differential calculus. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) starting …
VideoFree9
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Class 11 Physics (India): How to use the shortcut for solving elastic collisions
In this video, David solves an example elastic collision problem to find the final velocities using the easier/shortcut approach. Class 11 …
VideoFree10 minutes