Question: A Beacon that makes one revolution every 9 seconds is located on a ship anchored 3 kilometers from a straight shoreline. How fast is the

A Beacon that makes one revolution every 9 seconds is located on a ship anchored 3 kilometers from a straight shoreline. How fast is the beam moving along the shoreline when it makes an angle of 45 degrees with the shore? Rate of change of the beam moving along the shoreline? = km/s

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