Math Problem Statement
An underground gasoline tank at 47 ◦F can hold 1100 gallons of gasoline. If the driver of a tanker truck fills the underground tank on a day when the temperature is 90 ◦F, how much (according to his gauge on the truck) can he pour in? Assume that the temperature of the gasoline cools to 47◦F upon entering the tank and its thermal coefficient of expansion is 0.00096 (◦C)−1 . Answer in units of gal.
Solution
To solve this problem, we need to calculate the volume change due to temperature reduction from to . This involves the concept of thermal expansion for liquids.
Here’s the step-by-step solution:
Step 1: Convert Temperatures to Celsius
First, let's convert both temperatures from Fahrenheit to Celsius, since the coefficient of thermal expansion is given in .
Using the formula: we get:
- :
- :
Step 2: Calculate the Temperature Change in Celsius
Step 3: Apply the Thermal Expansion Formula
The volume of gasoline at (or ) is what we need to find. The underground tank's volume capacity at (or ) is given as 1100 gallons.
For thermal expansion: where:
- is the volume at .
- (volume at ),
- ,
- .
Step 4: Calculate
Conclusion
The driver can pour 1125.19 gallons of gasoline (as measured on the truck’s gauge) into the underground tank when the gasoline is at .
Would you like further details or have any questions?
Here are some related questions to expand your understanding:
- How would the result change if the thermal coefficient of expansion were different?
- What would happen if the underground tank were filled with a liquid with a higher thermal expansion coefficient?
- How would the answer change if the initial and final temperatures were given in Kelvin?
- What assumptions are we making about the cooling process of the gasoline as it enters the tank?
- How would a change in tank material affect the calculation?
Tip: Remember that thermal expansion coefficients are temperature-dependent and may vary with changes in environmental conditions.
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Math Problem Analysis
Mathematical Concepts
Thermal Expansion
Volume Calculations
Temperature Conversion
Formulas
V = V0 (1 + βΔT)
T(°C) = (5/9)(T(°F) - 32)
Theorems
-
Suitable Grade Level
Grades 11-12
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