Using a Surface Integral for Mathematical Analysis of the Area of an Island

In summary, the shape of the island is an upside-down paraboloid and the integral should be integrated from smallest to largest values of ##r## to get a positive answer.
  • #1
daphnelee-mh
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Homework Statement
(Attached below)
Relevant Equations
A=sqrt[1+(dz/dx)^2+(dz/dy)^2]dA
1593786915216.png

I am not clearly understand what the question requests for, is it okay to continue doing like this ? Kindly advise, thanks
 
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  • #3
The shape of the island is an upside-down paraboloid. The integral looks like everything is OK except the ##r## limits should be reversed. You want to integrate from the smallest to largest values of ##r## to get a positive answer.
 
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  • #4
LCKurtz said:
The shape of the island is an upside-down paraboloid. The integral looks like everything is OK except the ##r## limits should be reversed. You want to integrate from the smallest to largest values of ##r## to get a positive answer.
I believe you're right. I looked at it wrong.
 

Related to Using a Surface Integral for Mathematical Analysis of the Area of an Island

1. How is a surface integral used to analyze the area of an island?

A surface integral is a mathematical tool used to calculate the area of a surface in three-dimensional space. By using this integral, we can break down the surface of an island into infinitesimal pieces and sum them up to find the total area.

2. What are the benefits of using a surface integral for analyzing the area of an island?

Using a surface integral allows for a more accurate and precise calculation of the area of an island compared to traditional methods. It also takes into account any variations or irregularities in the shape of the island, providing a more comprehensive analysis.

3. Can a surface integral be used for any shape of an island?

Yes, a surface integral can be used for any shape of an island as long as it can be represented as a continuous surface in three-dimensional space. This includes irregular and complex shapes.

4. What are the limitations of using a surface integral for analyzing the area of an island?

One limitation is that the surface must be well-defined and continuous. If there are any discontinuities or holes in the surface, the integral may not accurately represent the total area. Additionally, the accuracy of the calculation may be affected by the resolution of the surface and the precision of the integral.

5. Are there any real-world applications for using a surface integral to analyze the area of an island?

Yes, surface integrals are commonly used in fields such as geography, geology, and environmental science to analyze the area and volume of land masses and bodies of water. They can also be applied to other real-world scenarios, such as calculating the surface area of 3D printed objects or determining the amount of paint needed to cover a curved surface.

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