Concept explainers
The number of years to fill a football field that is
Answer to Problem 8.1P
The time required to fill a football field that is
Explanation of Solution
Calculation:
Assume the dimension of football field as
Calculate the volume of a
Here, the volume is
Substitute
Assume the dirt cover is
Write the expression to calculate the effective volume of football field.
Here, the effective volume is
Substitute
Assume, in 2010 the university of Arizona produced
Calculate allowed waste per student.
Consider
Assume the density of the landfill as
Write the expression to calculate the volume of the waste generated per year.
Substitute
Write the expression to calculate the lifetime of the landfill.
Substitute
Conclusion:
Thus, the lifetime of landfill is
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