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Class 11th Physics (India): Midpoint and trapezoidal sums in summation notation

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Estimating the area under a curve with trapazoids instead of rectangles can give a closer approximation. Class 11th Physics (India) Learn C…

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Physics: Unit vectors and engineering notation

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Using unit vectors to represent the components of a vector Physics Learn about the basic principles that govern the physical world around u…

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Physics: Optimal angle for a projectile part 2: Hangtime

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Now it's time to think about hangtime for our far-flung projectile Physics Learn about the basic principles that govern the physical world …

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Physics: Harmonic motion part 3 (no calculus)

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Figuring out the period, frequency, and amplitude of the harmonic motion of a mass attached to a spring. Physics Learn about the basic prin…

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Class 11th Physics (India): Heat capacity at constant volume and pressure

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Class 11th Physics (India) Learn Class 11 physics Work from PV graph and internal energy Topic: Science Learn about all the sciences, from …

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Class 11th Physics (India): Unit vectors intro

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Unit vectors are vectors whose magnitude is exactly 1 unit. They are very useful for different reasons. Specifically, the unit vectors [0,1…

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Physics: Race cars with constant speed around curve

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When acceleration could involve a change in direction and not speed. Physics Learn about the basic principles that govern the physical worl…

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Physics: More on Normal force (shoe on floor)

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David explains how to determine the normal force for a variety of scenarios (extra forces, diagonal forces, acceleration) involving a shoe …

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Class 11th Physics (India): Graph of y=tan(x)

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Sal draws the graph of the tangent function based on the unit circle definition of the function. Class 11th Physics (India) Learn Class 11 …

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Physics: Ice accelerating down an incline

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Figuring out the acceleration of ice down a plane made of ice Physics Learn about the basic principles that govern the physical world aroun…

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Class 12th Physics (India): Mass spectrometer

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Class 12th Physics (India) Learn Class 12 Physics Magnets and Magnetic Force In these videos and articles you'll learn how the magnitude of…

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Physics: Projectile motion (part 5)

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How fast was the ball that you threw upwards? Physics Learn about the basic principles that govern the physical world around us. Solid unde…

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Physics: Floating magnet

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Can you use a magnet as a compass? How can you find North vs. South pole? Physics Learn about the basic principles that govern the physical…

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Physics: Cross product 2

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A little more intuition on the cross product. Physics Learn about the basic principles that govern the physical world around us. Solid unde…

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Physics: More on entropy

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Distinguishing between microstates and macro states. How entropy S is defined for a system and not for a specific microstate. Physics Learn…