
Intro to dimensional analysis (video) | Khan Academy
But what I want to show you is that even with a simple formula like distance is equal to rate times time, what I just did could actually be quite useful, and this thing that I'm doing is actually called …
Conversion between metric units (video) | Khan Academy
In this video, you'll see how to use these prefixes to compare centiliters and dekaliters, and how to use dimensional analysis to convert one dekaliter to centiliters. You'll also get some tips on how to check …
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Worked example: Dimensional analysis (video) | Khan Academy
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Acceleration (video) | Khan Academy
And then you multiply, do a little dimensional analysis. Hour cancels with hour. And then will be equal to 20/3600. 20/3600 miles per seconds times seconds. Or we could say, miles-- let me write it this way- …
Vectors and notation (article) | Khan Academy
Learn about what vectors are, how we can visualize them, and how we can combine them.
Vectors and spaces | Linear algebra | Math | Khan Academy
Vectors are used to represent many things around us: from forces like gravity, acceleration, friction, stress and strain on structures, to computer graphics used in almost all modern-day movies and …
Ancient Egyptian art (article) | Khan Academy
Two-dimensional art was quite different in the way the world was represented. Egyptian artists embraced two-dimensionality and attempted to provide the most representational aspects of each …
What is acceleration? (article) | Kinematics | Khan Academy
Technically this is the formula for average acceleration since it is defined over a finite interval of time. For instantaneous acceleration, you would need to find the rate of change at a particular moment in …
Curl, fluid rotation in three dimensions (article) | Khan Academy
Curl is an operator which measures rotation in a fluid flow indicated by a three dimensional vector field.