Eratosthenes of Cyrene [born ca. 276 BCE, Cyrene, Libya-died ca. 194 BCE, Alexandria, Egypt] made the first measurement of the size of Earth for which any details are known. His method is illustrated. On the first day of summer he observed that the sun was directly overhead at noon in Cyrene. At the same time the sun was 7.2° from overhead in Alexandria, which is distance d north of Cyrene. From the data, estimate

Eratosthenes of Cyrene [born ca. 276 BCE, Cyrene, Libya-died ca. 194 BCE, Alexandria, Egypt] made the first measurement of the size of Earth for which any details are known. His method is illustrated. On the first day of summer he observed that the sun was directly overhead at noon in Cyrene. At the same time the sun was 7.2° from overhead in Alexandria, which is distance d north of Cyrene. From the data, estimate

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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