Concept explainers
To write: A function that can represent whale’s depth as function of time and calculate the whale’s depth at 4 min.
Answer to Problem 25PPE
Whale’s depth at 4 min will be 10.7 m and function for whale’s depth is
Explanation of Solution
Given information:
From initial elevation of 3.5 m below the surface of the water, a northern bottlenose whale drives at rate of 1.8 m/s.
Calculation:
Whale’s depth at any time = d.
Initial elevation = 3.5 m.
Dive rate = 1.8 m/s
Therefore depth can be written as function of t (in min) as follows:
Using above function the height of helicopter at 4 minutes will be
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