Examlex
Find the speed of an ocean wave whose displacement is given by y = 3.7 cos(2.2x - 5.6t) where x and y are in meters and t is in seconds.
Second World War
A global conflict that lasted from 1939 to 1945, involving most of the world's nations and marked by significant events like the Holocaust and the use of atomic bombs on Japan.
Selective Training and Service Act
The 1940 law that initiated the first peacetime draft in United States history, requiring men of certain ages to enroll for potential military service.
Peacetime Draft
The mandatory enrollment of individuals into national military service during periods when the country is not officially at war.
American History
The record of events and developments in the United States from pre-colonial times to the present day, encompassing political, social, economic, and cultural transformations.
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