As telephone cable is pulled from a large spool to be
Chapter 4, Problem 63(choose chapter or problem)
As telephone 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 as suggested in the figure. If the truck pulling the cable moves at a constant rate of 6 ft!sec, use the equation s " r% to find how fast (in rad!sec) the spool is turning when the layer of radius 1.2 ft is being unwound.
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