A lighthouse is located on a small island 3 km away from the nearest point P on a straight shoreline and its light makes nine revolutions per minute. How fast is the beam of light moving along the shoreline when it is 1 km from P? (Round your answer to one decimal place.) km/min

A lighthouse is located on a small island 3 km away from the nearest point P on a straight shoreline and its light makes nine revolutions per minute. How fast is the beam of light moving along the shoreline when it is 1 km from P? (Round your answer to one decimal place.) 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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Question

A lighthouse is located on a small island 3 km away from the nearest point P on a straight shoreline and its light makes nine revolutions per minute. How fast is the beam of light moving along the
shoreline when it is 1 km from P? (Round your answer to one decimal place.)
km/min

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