In uniform circular motion, angular velocity (𝒘) is a vector quantity and …
In uniform circular motion, angular velocity (𝒘) is a vector quantity and is equal to the angular displacement (Δ𝚹, a vector quantity) divided by the change in time (Δ𝐭). Speed is equal to the arc length traveled (S) divided by the change in time (Δ𝐭), which is also equal to |𝒘|R. And arc length (S) is equal to the absolute value of the angular displacement (|Δ𝚹|) times the radius (R).
Learn about the structure and function of living organisms by drawing an …
Learn about the structure and function of living organisms by drawing an imaginary animal in the Take the Stage game show, ANIMAL SURVIVAL! Viewers become contestants on a game show and are challenged to draw an imaginary animal that could live and survive in either the desert, ocean, or the arctic tundra. When drawing the imaginary animal, the contestants write out two distinct structures and a function for each of the structures that help it survive. Learning Objective: Compare the structures and functions of different species that help them live and survive in a specific environment.
Introduction to foraging (animal behavior). Add local animals to add culturally relevance. …
Introduction to foraging (animal behavior). Add local animals to add culturally relevance. I suggest adding and discussing how iguanas forage for food.
The annual percentage rate (APR) that you are charged on a loan …
The annual percentage rate (APR) that you are charged on a loan may not be the amount of interest you actually pay. The amount of interest you effectively pay is greater the more frequently the interest is compounded. In this video, we calculate the effective APR based on compounding the APR daily. Created by Sal Khan.
In which John Green, Hank Green, and Emily Graslie teach you about …
In which John Green, Hank Green, and Emily Graslie teach you about the Anthropocene, an unofficial geological era that covers the last century or so, in which humanity has made massive progress. We've discovered the Higgs-Boson particle, and awesome electric cars, and amazing smartphones. So all this collective learning and progress has been good for everyone, right? Maybe not. We'll look at some of the pros and cons of all this "progress," including environmental impact, changes in the way people live and work, and political changes and wars that come along with the modern world. We've come a long way, but there's a long way to go. Crash Course will also take a look at what's going to happen in the near future. If we manage to make our way through the coming bottlenecks, we could be OK in coming centuries. Don't get too hopeful, though. The Sun will eventually die, and the Earth will be destroyed, and later the universe will eventually experience heat death.
Interpreting an excerpt of Brutus No. 1, the most well-known of what …
Interpreting an excerpt of Brutus No. 1, the most well-known of what will be eventually called the "Anti-Federalist Papers," which argued against the ratification of the Constitution of 1787.
DNA is composed of two strands of nucleotides held together by hydrogen …
DNA is composed of two strands of nucleotides held together by hydrogen bonding. The strands each run from 5' to 3' and run in antiparallel, or opposite, directions from one another.
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