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The depth of water in Lake Wanaka is given by D(t) = 2 + cos (4t), where D is the depth, measured in metres, and t is the number of hours after 9am. Find the average depth between 10am and 11am accurate to four decimal places. Select one: O 2.6991 m O 2.7 m O 2.3660 m 3 O 2 + -(V3 – 1) m

The depth of water in Lake Wanaka is given by D(t) = 2 + cos (4t), where D is the depth, measured in metres, and t is the number of hours after 9am. Find the average depth between 10am and 11am accurate to four decimal places. Select one: O 2.6991 m O 2.7 m O 2.3660 m 3 O 2 + -(V3 – 1) m

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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The depth of water in Lake Wanaka is given by D(t) = 2 + cos(t), where D is the depth, measured in metres, and t is the number of hours after 9am. Find the average depth between 10am and 1lam accurate to four decimal places. Select one: O 2.6991 m O 2.7 m O 2.3660 m O 2 + -(V3 –- 1) m IT
Transcribed Image Text:The depth of water in Lake Wanaka is given by D(t) = 2 + cos(t), where D is the depth, measured in metres, and t is the number of hours after 9am. Find the average depth between 10am and 1lam accurate to four decimal places. Select one: O 2.6991 m O 2.7 m O 2.3660 m O 2 + -(V3 –- 1) m IT
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