Relating angular displacement to distance traveled (or arc length) for a ball traveling in a circle. Derivation of formula for arc length.
Divided government and gridlock in the United States.
John Dickerson discusses how the sitting president's party typically performs in midterm election years. John Dickerson is co-host of CBS This Morning. He was previously CBS News' Chief Washington Correspondent, Political Director and anchor of Face The Nation. Dickerson is also a contributor to Slate's Political Gabfest and to The Atlantic. During the 2016 presidential campaign, Dickerson moderated CBS News' two presidential debates. Prior to CBS, Dickerson was Slate Magazine's Chief Political correspondent and covered politics for twelve years for Time magazine.
Introduction to Accounts Payable. Created by Sal Khan.
Learn about the Doppler effect and how it explains the change in frequency of a wave when its source and an observer are moving. Created by Sal Khan.
Understanding the differences between the dot and cross products. Created by Sal Khan.
Learn how to draw rectangles and lines with code (JavaScript and ProcessingJS).
How did the Dred Scott case change citizenship in the United States? Created by Kimberly Kutz.
The 1857 Supreme Court case Dred Scott v. Sandford inflamed sectional tensions over slavery and propelled the United States toward civil war. In this video, Kim discusses the case with scholars Christopher Bracey and Timothy Huebner. To learn more about US History, visit Khan Academy at https://www.khanacademy.org/humanities/ap-us-history To read more about constitutional law, visit the National Constitution Center’s website: https://constitutioncenter.org On this site, leading scholars interact and explore the Constitution and its history. For each provision of the Constitution, experts from different political perspectives coauthor interpretive explanations when they agree and write separately when their opinions diverge.
Review of Enterprise Value and comparing it to EBITDA. Created by Sal Khan.
Remember the relationship between current and voltage in an inductor and capacitor with the help of ELI the ICE man. Created by Willy McAllister.
Introduction to Siddhartha Gautama Buddha and Buddhism.
An overview of the life and teachings of Jesus Christ and the birth of Christianity.
Kim discusses how after many years of unsuccessful settlements, the English founded the colony of Jamestown in Virginia.
An overview of the stories of the Torah (first 5 books of the Hebrew Bible and the Christian Old Testament).
An overview from the first kings of a unified Judah and Israel to the beginning of the Jewish Diaspora with the destruction of the Second Temple.
Is a ring from a ninth-century Viking grave a surprising find, or a reflection of the larger trade patterns in early medieval Europe and the Middle East? Vikings traded and raided throughout Europe and as far as the Abbasid Caliphate in the Middle East. Political circumstances and environmental factors shaped these patterns of trade.
Early phases of the Civil War, from Bull Run to Antietam.
Earmarks, pork barrel projects and logrolling.
Earnings, EPS (earnings per share) and how they relate to the income statement and balance sheet. Created by Sal Khan.