SOLUTION: The two pulleys in the figure have a radii of 15cm and 8 cm. The larger pulley rotates 25 times in 36 seconds. Find the angular speed of each pulley in Rad/per sec. I don't kno

Algebra ->  Trigonometry-basics -> SOLUTION: The two pulleys in the figure have a radii of 15cm and 8 cm. The larger pulley rotates 25 times in 36 seconds. Find the angular speed of each pulley in Rad/per sec. I don't kno      Log On


   



Question 848112: The two pulleys in the figure have a radii of 15cm and 8 cm. The larger pulley rotates 25 times in 36 seconds. Find the angular speed of each pulley in Rad/per sec.
I don't know how to even start i'm not sure what formulas to use V=r(W) or what the angular speed formula is. Please help by showing steps so I can do my other similar problems.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The two pulleys in the figure have a radii of 15cm and 8 cm. The larger pulley rotates 25 times in 36 seconds. Find the angular speed of each pulley in Rad/per sec.
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Larger Pulley angular speed: (25/36)2pi/sec = 25/18 pi/sec = 1.389 pi/sec
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Not sure if the pulleys are independent or if rotation on
one is linked to rotation of the other.
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Cheers,
Stan H.