(a)
To approximate the total fuel consumption during the hour by using Trapezoidal rule.
(a)
Answer to Problem 53RE
The total fuel consumption during the hour is 2.42 gallons approximately.
Explanation of Solution
Given: During a trip, a passenger recorded the fuel consumption every 5 minutes for a full hour of travel
Calculation: Using Trapezoidal rule,
where
Conclusion: Therefore, the total fuel consumption during the hour is 2.42 gallons approximately.
(b)
To determine the fuel efficiency of automobile.
(b)
Answer to Problem 53RE
The fuel efficiency is 24.83 miles per gallon for the portion of trip.
Explanation of Solution
Given: An automobile covered 60 miles in the hour and total fuel consumption during the hour is 2.42 gallons.
Calculation: The fuel efficiency is given by formula
Conclusion: Thus, the fuel efficiency is 24.83 miles per gallon.
Chapter 5 Solutions
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