Examlex
Find the speed of an ocean wave whose displacement is given by the equation y=3.7 cos(2.2 x-5.6 t) where x and y are in meters and t is in seconds.
Medium of Exchange
An intermediary instrument or system used to facilitate the sale, purchase, or trade of goods between parties.
Measure of Value
A function of a medium of exchange that allows it to serve as a common denominator to express the value of goods and services.
Demand Deposits
Bank accounts from which deposited funds can be withdrawn at any time without any notice to the institution, such as checking accounts.
Fed
Refers to the Federal Reserve System, which is the central banking system of the United States, responsible for monetary policy.
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