Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 1 - Reading Check Questions (Comprehension): 3

Answer

Alexandria was north of Syene, at a higher latitude. To take an extreme example, if your friend is at the equator when the sun is directly overhead and you are at the North Pole, a vertical pole at your location would cast a long shadow, because the sun would be very low on the horizon, not directly overhead.

Work Step by Step

See the diagram on page 4.
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