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rad/s 2: T −2: Angular momentum: L: Measure of the extent and direction an object rotates about a reference point kg⋅m 2 /s L 2 M T −1: conserved, bivector Angular velocity: ω: The angle incremented in a plane by a segment connecting an object and a reference point per unit time rad/s T −1: bivector Area: A: Extent of a surface m 2: L ...
Chegg, Inc., is an American education technology company based in Santa Clara, California. It provides homework help, digital and physical textbook rentals, textbooks, online tutoring, and other student services. [2] The company was launched in 2006, and began trading publicly on the New York Stock Exchange in November 2013.
ISBN. 978-0-201-65702-9. Classical Mechanics is a textbook written by Herbert Goldstein, a professor at Columbia University. Intended for advanced undergraduate and beginning graduate students, it has been one of the standard references on its subject around the world since its first publication in 1950. [ 1][ 2]
The Canada–United States Free Trade Agreement (CUSFTA), official name as the Free Trade Agreement between Canada and the United States of America (French: Accord de libre-échange entre le Canada et les États-Unis d'Amérique), was a bilateral trade agreement reached by negotiators for Canada and the United States on October 4, 1987, and signed by the leaders of both countries on January 2 ...
In economics, the Prebisch–Singer hypothesis (also called the Prebisch–Singer thesis) argues that the price of primary commodities declines relative to the price of manufactured goods over the long term, which causes the terms of trade of primary-product-based economies to deteriorate. As of 2013, recent statistical studies have given ...
Definition and usage. "Global commons" is a term typically used to describe international, supranational, and global resource domains in which common-pool resources are found. In economics, common goods are rivalrous and non-excludable, constituting one of the four main types of goods. [ 2] A common-pool resource, also called a common property ...
The United States has been involved in 108 military conflicts. These include major conflicts like the American Revolutionary War, the War of 1812, the Mexican–American War, the American Civil War, the Spanish-American War, World War I, World War II and the Gulf War. It also includes US involvement in widespread periods of conflict like the ...
"The Significance of the Frontier in American History" is a seminal essay by the American historian Frederick Jackson Turner which advanced the Frontier thesis of American history. Turner's thesis had a significant impact on how people in the late 19th and early 20th centuries understood American identity, character, and national growth.