A revolving beacon is situated 3000 ft off a straight shore. If the beacon turns at 4π rad/min., how fast does the beam of the beacon sweep along the shore at: a) its nearest point. b) At a point 4800 feet from the nearest point.
A revolving beacon is situated 3000 ft off a straight shore. If the beacon turns at 4π rad/min., how fast does the beam of the beacon sweep along the shore at: a) its nearest point. b) At a point 4800 feet from the nearest point.
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter8: Areas Of Polygons And Circles
Section8.5: More Area Relationships In The Circle
Problem 42E: A goat is tethered to a barn by a 12-ft chain. If the chain is connected to the barn at a point 6 ft...
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A revolving beacon is situated 3000 ft off a straight shore. If the beacon turns at 4π
rad/min., how fast does the beam of the beacon sweep along the shore at:
a) its nearest point.
b) At a point 4800 feet from the nearest point.
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