Khan Academy
Khan Academy: How I Got My Job and Where I'm Going
Sam talks about her path to become a salon owner and opportunities for growth in her field.
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Khan Academy: What Is Allergic Rhinitis?
This Khan Academy resource, created by Jeff Otjen is a video that describes the condition allergic rhinitis.
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Khan Academy: What Is Afterload?
Rishi is a pediatric infectious disease physician and works at Khan Academy. In this video Rishi talks about afterload and explains what it is.
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Khan Academy: What Is Acyanotic Heart Disease?
Acyanotic heart disease is a group of heart conditions where blood with oxygen mixes with blood with little oxygen in the heart. This mixing is not enough to cause cyanosis, a symptom of not enough oxygen being delivered to tissues of...
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Khan Academy: Mass Defect and Binding Energy
Nuclear binding energy is the energy required to split an atom's nucleus into protons and neutrons. Mass defect is the difference between the predicted mass and the actual mass of an atom's nucleus. The binding energy of a system can...
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Khan Academy: Introduction to Exponential Decay
Introduction to Exponential Decay. Using the exponential decay formula to calculate k, calculating the mass of carbon-14 remaining after a given time, and calculating the time it takes to have a specific mass remaining. [9:19]
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Khan Academy: Plotting Projectile Displacement, Acceleration, and Velocity
Plotting projectile displacement, acceleration, and velocity as a function of time. [16:17]
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Khan Academy: Impact Velocity From Given Height
Determining how fast something will be traveling upon impact when it is released from a given height. [11:43]
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Khan Academy: Choosing Kinematic Equations
Kinematic equations help solve for an unknown in a problem when an object has either a constant velocity or constant acceleration. This video will help you choose which kinematic equations you should use, given the type of problem you're...
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Khan Academy: Introduction to Reference Frames
How the choice of reference frame is related to speed and velocity measurements. [6:54]
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Khan Academy: Wave Interference
David explains wave interference and solves a few examples to find the value of the total wave when two wave pulses overlap. [7:24]
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Khan Academy: Quantum Wavefunction
In this video David gives an introductory explanation of what the quantum wavefunction is, how to use it, and where it comes from. [10:11]
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Khan Academy: Emission Spectrum of Hydrogen
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 emission spectrum. [10:50]
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Khan Academy: De Broglie Wavelength
In this video, David explains how Louis De Broglie got his Nobel Prize for the idea of matter having a wavelength. [11:20]
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Khan Academy: The Caesar Cipher
Brit explains the Caesar cipher, the first popular substitution cipher, and shows how it was broken with 'frequency analysis'.
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Khan Academy: Perfect and Imperfect Competition
The most common forms of competition you learn about in microeconomics are perfect competition, monopolies, oligopoly, monopsony, and monopolistic competition. In this video [9:59] we briefly describe the key features of each.
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Khan Academy: Percentage Tax on Hamburgers
This video [5:39] discusses what would happen if we have a percentage tax instead of a fixed dollar amount.
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Khan Academy: Option Expiration and Price
In this video [3:26], we explore how aspects of an option's expiration affect the option's price.
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Khan Academy: Optional Calculus Proof to Show That Mr Has Twice Slope of Demand
This video [4:55] explains how using some basic calculus to show that marginal revenue has twice the slope of the demand curve for a monopolist.
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Khan Academy: Optimal Point on Budget Line
This video [9:23] explains using indifference curves to think about the point on the budget line that maximizes total utility.
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Khan Academy: Optimal Decision Making and Opportunity Costs
A rational agent considers all costs, including explicit and implicit costs, when deciding whether or not to undertake an action. In this video [5:08], learn about how opportunity costs represent the cost of the next best alternative.
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Khan Academy: Opportunity Cost and Comparative Advantage Using an Output Table
In this video [9:55], we use the PPCs for two different countries that each produce two goods in order to create an output table based on the data in the graph. We then use the output table to determine the opportunity costs of producing...
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Khan Academy: Pegging the Yuan
How the Chinese Central Bank could peg the Yuan to the dollar by printing Yuan and buying dollars (building up a dollar reserve).
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Khan Academy: P/e Discussion
This video [15:34] is a discussion of the price-to-earnings ratio.