Question
A lighthouse is on an island 200meters off of a straight shoreline. (That means the distance from the lighthouse to point A is 200 meters.)
A lighthouse is on an island 200meters off of a straight shoreline. (That means the distance from the lighthouse to point A is 200 meters.) Point B is 1400 meters from the lighthouse. The lighthouse beam makes a full turn every 8 seconds. Find the rate at which the light is moving along the shoreline when it passes point B.
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Differential Equations With Boundary Value Problems
Authors: Martha L L Abell, James P Braselton
4th Edition
0124172822, 9780124172821
