SOLUTION: A truck with 22-in.-diameter wheels is traveling at 50 mi/h. 1.Find the angular speed of the wheels in rad/min 2.How many revolutions per minute do the wheels make?

Question 1110735: A truck with 22-in.-diameter wheels is traveling at 50 mi/h.
1.Find the angular speed of the wheels in rad/min
2.How many revolutions per minute do the wheels make?

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A truck with 22-in.-diameter wheels is traveling at 50 mi/h.
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convert mi/hr to inches/minute.
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50 mi/hr = ??? in/min
1 mile = 63660 inches
1 hour = 60 minutes.
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1.Find the angular speed of the wheels in rad/min
A rotation of 1 radian = r = 11 inches.
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2.How many revolutions per minute do the wheels make?
Each revolution is 22pi inches
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