# Math

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?

1. 👍 0
2. 👎 0
3. 👁 76
1. 2π radians every 25 seconds

x/(2π) = 60/25
solve for x

1. 👍 0
2. 👎 0
posted by Reiny

## Similar Questions

1. ### Physics

A lighthouse beacon alerts ships to the danger of a rocky coastline. Part A According to the lighthouse keeper, with what speed does the light leave the lighthouse? v/c= A boat is approaching the coastline at speed 0.5. According

asked by Amy on December 2, 2012
2. ### calculus

The beacon on a lighthouse makes one revolution every 20 seconds. The beacon is 300 feet from the nearest point, P, on a straight shoreline. Find the rate at which the ray of light moves along the shore at a point 200 feet from P.

asked by fati on June 16, 2012
3. ### Calculus

A rotating beacon is located 1 kilometer off a straight shoreline. If the beacon rotates at a rate of 3 revolutions per minute, how fast (in kilometers per hour) does the beam of light appear to be moving to a viewer who is 1/2

asked by Jon on November 11, 2007
4. ### Calc

A rotating beacon is located 1 kilometer off a straight shoreline. If the beacon rotates at a rate of 3 revolutions per minute, how fast (in kilometers per hour) does the beam of light appear to be moving to a viewer who is 1/2

asked by Jon on November 11, 2007
5. ### Calculus (trig derivatives)

A lighthouse 2 miles offshore has a light that rotates once every 20 seconds. At what rate is the light traveling along the shore if it is shining on a point 4 miles along the shore from the point nearest the lighthouse?

asked by Sarah on April 23, 2017
6. ### trig

Sitting in your sailboat, you see a lighthouse 500 feet away. Looking up at a 20°angle, you see the light at the top of the lighthouse. How far off the ground is the light in the lighthouse? Round your answer to the nearest

asked by Anonymous on September 13, 2010
7. ### Physics

Which of the following is not a good example of uniform circular motion? a) a person riding on a ferris wheel that is turning at a constant rate b) a person taking off on an airplane to fly around the world on a path defined by

asked by Lewis on October 16, 2012
8. ### Periodic Function (Trigonometric Fuctions)

A lighthouse beacon rotates through 360 degrees every 12 seconds, it is located 100 m off the shore of an island with a coastline of steep cliffs running north and south. As the light beam sweeps clockwise, starting from the north

asked by Sammy on May 20, 2013