Answered: As television cable is pulled from a…

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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As television cable is pulled from a large spool
to be strung from the telephone poles along a street, it unwinds
from the spool in layers of constant radius . If the truck pulling the cable moves at a steady 6 ft/sec
(a touch over 4 mph), use the equation s = rθ to find how fast
(radians per second) the spool is turning when the layer of radius
1.2 ft is being unwound.

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