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A revolving beacon is situated 3000 ft off a straight shore. If the beacon turns at 4n 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 4n 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
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
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A revolving beacon is situated 3000 ft off a straight shore. If the beacon turns at 4n 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.
Transcribed Image Text:A revolving beacon is situated 3000 ft off a straight shore. If the beacon turns at 4n 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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