A lighthouse is located on a small island 4 km away from the nearest point P on a straight shoreline. Its light makes 2 revolutions per minute. How fast is the beam of light moving along the shoreline when it is 1.6 kilometers from P? km/min
A lighthouse is located on a small island 4 km away from the nearest point P on a straight shoreline. Its light makes 2 revolutions per minute. How fast is the beam of light moving along the shoreline when it is 1.6 kilometers from P? km/min
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter8: Areas Of Polygons And Circles
Section8.4: Cicumference And Area Of A Cicle
Problem 45E: The diameter of a carousel merry-go-round is 30ft. At full speed, it makes a complete revolution in...
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Transcribed Image Text:A lighthouse is located on a small island 4 km away from the nearest point P on a straight shoreline. Its light makes 2 revolutions per minute.
How fast is the beam of light moving along the shoreline when it is 1.6 kilometers from P?
km/min
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