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: Loop de loop answer part 1
Figuring out the minimum speed at the top of the loop de loop to stay on the track Physics Learn about the basic principles that govern the…
VideoFree6 minutes
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Class 11 Physics (India): Introduction to centripetal force
Introduction to centripetal force, which accelerates an object toward the center of the circular path. Class 11 Physics (India) Let's learn…
VideoFree6
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Class 11 Physics (India) - Hindi: Intuition about simple harmonic oscillators (Hindi)
In this video Ram defines what it means for something to be a simple harmonic oscillator and gives some intuition about why oscillators do …
VideoFree17
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Class 11 Physics (India) - Hindi: Elastic and Non Elastic (Hindi)
Steel is more elastic than rubber. It can resist a huge amount of deforming force and still return to its original shape. We understand abo…
VideoFree12
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Class 12 Physics (India): Electric motors (part 3)
Sal finishes the explanation of how a commutator will allow a loop of wire to continue spinning in a magnetic field, thereby allowing it to…
VideoFree7 minutes
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Class 11 Physics (India): Worked example: absolute and relative extrema
Extrema is the general name for maximum and minimum points. This video shows how to identify relative and absolute extrema in the graph of …
VideoFree5
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Class 11 Physics (India): Introduction to torque
An introduction to torque Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) starting with kinem…
VideoFree9 minutes
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Class 11 Physics (India): Volume expansion coefficient
Let's explore the calculation of volume expansion due to temperature change. Good news is we don't need more physics. We can just use the s…
VideoFree5
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Class 11 Physics (India): Angular velocity and speed
Angular velocity and speed Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) starting with kine…
VideoFree8
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Class 11 Physics (India): Position-time graphs
Using position-time graphs and number lines to find displacement and distance traveled. Class 11 Physics (India) Let's learn, practice, and…
VideoFree5
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Class 11 Physics (India): Masses on incline system problem
In this video David explains how to find the acceleration and tension for a system of masses involving an incline. Class 11 Physics (India)…
VideoFree10 minutes
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Class 11 Physics (India): Work done by isothermic process
Isothermic and adiabatic processes. Calculating the work done by an isothermic process and seeing that it is the same as the heat added. Cl…
VideoFree19 minutes
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Class 11 Physics (India): Volume expansion numerical
In this video, we will solve a numerical on volume expansion. Created by Mahesh Shenoy Class 11 Physics (India) Let's learn, practice, and …
VideoFree5
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Class 11 Physics (India): Slow sock on Lubricon VI
What would happen to a slowly moving frozen sock on a frictionless planet Class 11 Physics (India) Let's learn, practice, and master topics…
VideoFree5 minutes
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Class 11 Physics (India): Production of sound
Sound is vibrating air. But how does the air start vibrating? Class 11 Physics (India) Let's learn, practice, and master topics of class 11…
VideoFree4 minutes