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The depth d of the water in a harbour, measured in meters, t hours after midnight, can be approximated by the function d (t)=5 cos(t)+11 where 0

The depth d of the water in a harbour, measured in meters, t hours after midnight, can be approximated by the function d (t)=5 cos(t)+11 where 0

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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1. The depth d of the water in a harbour, measured in meters, t hours after midnight, can be approximated by the function d (t)=5cos (t)+11 where 0<t<24 . A ship, which requires a minimum depth of 7 meters to leave the harbour, it docked at midnight. Within the 24 hours, during which time interval can the ship leave the dock?
Transcribed Image Text:1. The depth d of the water in a harbour, measured in meters, t hours after midnight, can be approximated by the function d (t)=5cos (t)+11 where 0<t<24 . A ship, which requires a minimum depth of 7 meters to leave the harbour, it docked at midnight. Within the 24 hours, during which time interval can the ship leave the dock?
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