Asked by anonymous
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?
what is the angular speed of the beacon in radians per minute?
Answers
Answered by
Reiny
2π radians every 25 seconds
x radians every 60 seconds
x/(2π) = 60/25
solve for x
x radians every 60 seconds
x/(2π) = 60/25
solve for x
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