Asked by zhaka
a pulley revolving at 250 revolutions per minute has a diameter of 8 inches. it is belted to a second pulley which revolves at 200 revolutions per minute. find the diameter of the second pulley
Answers
Answered by
DonHo
If they are belted, the velocity should be the same.
Diameter * pi = Circumference
Circumference * rev/min = velocity
==>
Diameter*pi * rev/min = velocity
8*pi*250 = d*pi*200
solve for d
Diameter * pi = Circumference
Circumference * rev/min = velocity
==>
Diameter*pi * rev/min = velocity
8*pi*250 = d*pi*200
solve for d
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