Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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### Homework Assignment

**Problem 1**

Suppose a steel material with a specific gravity (S.G.) of 7.8 is attached to a wood with a specific gravity of 0.8 as shown below. If it is required that the material does not sink or rise when left in static water, what should be the proportion of the volume of the steel to that of the wood?

**Diagram Explanation**

The diagram below illustrates two blocks, one labeled "wood" on top and the other labeled "steel" attached underneath. This represents how the two materials are combined and the scenario in which they are placed in water. To achieve neutral buoyancy, the volume proportion must be calculated based on their specific gravities.
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Transcribed Image Text:### Homework Assignment **Problem 1** Suppose a steel material with a specific gravity (S.G.) of 7.8 is attached to a wood with a specific gravity of 0.8 as shown below. If it is required that the material does not sink or rise when left in static water, what should be the proportion of the volume of the steel to that of the wood? **Diagram Explanation** The diagram below illustrates two blocks, one labeled "wood" on top and the other labeled "steel" attached underneath. This represents how the two materials are combined and the scenario in which they are placed in water. To achieve neutral buoyancy, the volume proportion must be calculated based on their specific gravities.
Expert Solution
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Step 1: Write the given data and what is to find

Given:

S G subscript s equals 7.8
S G subscript w equals 0.8


To find:

Ratio of fraction numerator V o l u m e subscript s t e e l end subscript over denominator V o l u m e subscript w o o d end subscript end fraction?

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