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Mathematics 13 Online
OpenStudy (anonymous):

A boy is twirling a model airplane on a string 5 ft long. If the twirls the plane at 0.5 revolution per minute, how far does the plane travel in 2 minutes?

OpenStudy (anonymous):

Use the formula for the circumference of a circle: 2*pi*radius

OpenStudy (anonymous):

What about the time?

OpenStudy (anonymous):

How many revolutions does the plane make in 2 minutes?

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