SOLUTION: To approximate speed of river, a circular paddle wheel with radius 0.55 feet is the a lowered into the water. If the current causes the wheel to rotate at a speed of 9 revolution
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Question 884461: To approximate speed of river, a circular paddle wheel with radius 0.55 feet is the a lowered into the water. If the current causes the wheel to rotate at a speed of 9 revolutions per minute, what is speed of the current? Express the answer in miles per hour the rounded to two decimal places, if necessary.
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
To approximate speed of river, a circular paddle wheel with radius 0.55 feet is the a lowered into the water. If the current causes the wheel to rotate at a speed of 9 revolutions per minute, what is speed of the current? Express the answer in miles per hour the rounded to two decimal places, if necessary.
***
convert angular speed to linear speed
cancel out rev, min, ft, leaving miles/hr
speed of the current=0.35 mph
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