Concept explainers
To find the total cost to apply the sealer inside the tunnel.
Answer to Problem 24E
Total cost of apply the sealer inside the tunnel is 38421.6 $
Explanation of Solution
Given information:
The given function is
The length of the tunnel is 300 ft. and width is 50 ft.
The cost of sealer is $1.75 per square foot.
Formula used:
If a smooth curve begins at
Calculation :
From the figure the boundary for x is
Evaluate
Which is continuous on
Calculate the arc length
Total area to be sealed
Total cost of sealing the tunnel
Therefore,
Total cost of apply the sealer inside the tunnel is 38421.6 $
Chapter 8 Solutions
Calculus 2012 Student Edition (by Finney/Demana/Waits/Kennedy)
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