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Mathematics 14 Online
OpenStudy (anonymous):

Arc Length: The pendulum on a grandfather clock swings from side to side once every second. If the length of the pendulum is 4 feet and the angle through which it swings is 20 degrees, how far does the tip of the pendulum travel in 1 second?

OpenStudy (asnaseer):

|dw:1336090510081:dw| if \(\theta\) is in radians, then the arc length is given by:\[s=r\theta\]

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