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Mathematics 8 Online
OpenStudy (anonymous):

The angular velocity of a point on a circle with radius of 12 feet is 15pi radians per second. Find the speed of the point on the circle.

OpenStudy (welshfella):

i think you can use L = rc where L is length along the circle, r = radius and c is the angle in radians.

OpenStudy (welshfella):

r = 12 , c = 15pi the answer will be in feet per second

OpenStudy (welshfella):

simply multiply

OpenStudy (welshfella):

L is the length the point will travel in 1 second This will give you the speed per second.

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