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Question

A lighthouse rotates its light in a circular motion with a constant speed. If the beacon of light completes one rotation every 25 seconds,

what is the angular speed of the beacon in radians per minute?

6 years ago

Answers

Reiny
2π radians every 25 seconds
x radians every 60 seconds

x/(2π) = 60/25
solve for x
6 years ago

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