Examlex
An object is placed 15 cm from a spherical concave mirror with a focal length of magnitude 20 cm. If the object is 4.0 cm tall, how tall is the image?
Seventeenth-Century
Referring to the period from 1601 to 1700, often marked by significant historical developments in science, politics, and global exploration.
Slave Population
The group of people who were forcibly brought to and held in the Americas and other regions to work without freedom or rights from the 16th to 19th centuries.
Imported Africans
Refers to African people forcibly taken from their homelands and transported primarily to the Americas to be sold into slavery from the 16th to the 19th centuries.
Jamestown
The first permanent English settlement in North America, established in Virginia in 1607.
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