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 …
check_box_outline_blank
Class 11 Physics (India): Solving elastic collision problems the hard way
In this video, David shows how to solve elastic problems the hard way. In other words, using conservation of momentum and conservation of k…
VideoFree16 minutes
check_box_outline_blank
Class 12 Physics (India): Lenz's Law
Lenz's Law - seeing that the magnetic field induced by a current induced by a change in magnetic flux (Faraday's Law) counteracts the chang…
VideoFree6 minutes
check_box_outline_blank
Class 11 Physics (India): Angular motion variables
David explains the meaning of angular displacement, angular velocity, and angular acceleration. Class 11 Physics (India) Let's learn, pract…
VideoFree13 minutes
check_box_outline_blank
Health and medicine: Systolic heart failure pathophysiology
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree8 minutes
check_box_outline_blank
Health and medicine: Contractility, Ea, and preload effects on PV boxes
See how contractility, Ea (arterial elastance), and preload each have an effect on PV Boxes. Rishi is a pediatric infectious disease physic…
VideoFree13 minutes
check_box_outline_blank
Class 11 Physics (India): Combined vector operations
Watch Sal find new vector 3u + 1/5w when u = (2, -1) and w = (-5, 5). Class 11 Physics (India) Let's learn, practice, and master topics of …
VideoFree6
check_box_outline_blank
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
check_box_outline_blank
Class 11 Physics (India): Work as the transfer of energy
David explains "work" as the way forces transfer energy to and from objects Class 11 Physics (India) Let's learn, practice, and master topi…
VideoFree3 minutes
check_box_outline_blank
Class 12 Physics (India): Diffraction grating
What happens when there's way more than two holes? Class 12 Physics (India) It is now time to dive deeper into the world of physics with to…
VideoFree14 minutes
check_box_outline_blank
Class 10 Physics (India): Solve example: Mirror formula
We will find the properties of the image formed by a convex mirror. We will do that using the mirror formula and apply sign conventions. Cl…
VideoFree8
check_box_outline_blank
Class 11 Physics (India) - Hindi: Gravitation part 2 (Hindi)
A little bit more on gravity Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hindi videos, we've created …
VideoFree8
check_box_outline_blank
Class 11 Physics (India) - Hindi: Acceleration due to gravity at the space station (Hindi)
What is the acceleration due to gravity at the space station? Class 11 Physics (India) - Hindi To help students who prefer to learn by watc…
VideoFree9
check_box_outline_blank
Class 11 Physics (India): Two masses hanging from a pulley
In this video David explains how to find the acceleration of two masses hanging from a pulley (using the easy method). Class 11 Physics (In…
VideoFree9 minutes
check_box_outline_blank
Class 12 Physics (India): Induced current in a wire
Sal determines the current and EMF induced in a wire pulled through a magnetic field. Class 12 Physics (India) It is now time to dive deepe…
VideoFree12 minutes
check_box_outline_blank
Class 12 Physics (India): Zener diode & Zener breakdown
Heavily doped diodes can undergo a different kind of breakdown. In this video let's explore what happens in a very heavily doped diode. The…
VideoFree13