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Physics: Work and energy (part 2)

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More on work. Introduction to Kinetic and Potential Energies. Physics Learn about the basic principles that govern the physical world aroun…

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Class 11 Physics (India) - Hindi: Deriving formula for centripetal acceleration from angular velocity (Hindi)

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Deriving formula for centripetal acceleration from angular velocity. Class 11 Physics (India) - Hindi To help students who prefer to learn …

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Class 11 Physics (India) - Hindi: More on Normal force (shoe on floor) (Hindi)

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

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Class 11 Physics (India): Pressure and Pascal's principle (part 1)

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Sal explains the difference between liquids and gasses (both fluids). He then starts a calculation of the work done on a liquid in a U-shap…

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Class 12 Physics (India): Emission spectrum of hydrogen

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Using Balmer-Rydberg equation to solve for photon energy for n=3 to 2 transition. Solving for wavelength of a line in UV region of hydrogen…

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Class 11 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 11 Physics (India) Let's lea…

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Class 10 Physics (India): Mirror formula derivation

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In this video, we will derive the mirror formula (expression connecting u,v, and f) and magnification formula. We will use a concave mirror…

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Class 11 Physics (India): Gravitational potential energy at large distances

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Learn how to calculate gravitational potential energy when we can no longer assume the gravitational field is uniform. Class 11 Physics (In…

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Class 11 Physics (India) - Hindi: Angular velocity and speed (Hindi)

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An intuition for the relationship between the formulas for angular velocity and speed, including a worked example of calculating angular ve…

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Class 11 Physics (India): Launching and landing on different elevations

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More complicated example involving launching and landing at different elevations Class 11 Physics (India) Let's learn, practice, and master…

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Physics: Question 3d: 2015 AP Physics 1 free response

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More analytically analyzing how doubling spring compression impacts stopping distance Physics Learn about the basic principles that govern …

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Class 11 Physics (India) - Hindi: Rolling without slipping (Hindi)

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Ram explains how to solve problems where an object rolls without slipping. Class 11 Physics (India) - Hindi To help students who prefer to …

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Physics: More on Newton's first law of motion

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Newton's First Law (Galileo's Law of Inertia). Physics Learn about the basic principles that govern the physical world around us. Solid und…

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Class 11 Physics (India): Scientific notation example: 0.0000000003457

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Can you imagine if you had to do calculations with very, very small numbers? How would you handle all those zeros to the right of the decim…

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Class 11 Physics (India): Worked example: Derivative from limit expression

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Sal interprets a limit expression to find that it describes the derivative of f(x)=x³ at the point x=5. Class 11 Physics (India) Let's lear…