man’s eyes 2.5 m above sea level can barely see the top of a lighthouse which is at a certain distance away from the man What is the elevation of the top of the lighthouse in meters (m) above sea level if the lighthouse is 20 km away from the man?  How far is the lighthouse from the man in meters (m) if the top of the lighthouse is 19 m above sea level?

Foundations of Astronomy (MindTap Course List)
14th Edition
ISBN:9781337399920
Author:Michael A. Seeds, Dana Backman
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Chapter3: Moon Phases And Eclipses
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A man’s eyes 2.5 m above sea level can barely see the top of a lighthouse which is at a certain distance away from the man

  1. What is the elevation of the top of the lighthouse in meters (m) above sea level if the lighthouse is 20 km away from the man? 
  2. How far is the lighthouse from the man in meters (m) if the top of the lighthouse is 19 m above sea level? 
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