ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN: 9780190931919
Author: NEWNAN
Publisher: Oxford University Press
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Need help with 4,5 & 6
4) Determine the cost of 1 gallon of gasoline. Calculate the labor cost equivalent of those 2 people to push a car 40 miles. (You have to make assumptions on how much you would have to pay someone per hour to push a car). How much cheaper is it to use a gallon of gasoline to move a car 40 miles down the road as opposed to paying 2 people to push the car 40 miles down the road.
5) How much energy (in Joules and in food calories) do you estimate it would take two people to push a car 40 miles down the road. (1 food calorie = 4,186 J) The basic metabolic rate for the human body is about 60 (food) calories per hour. A runner running 10 miles at 6 minutes per mile burns about 1000 food calories per hour. Estimate how many calories per hour a person pushing a car at walking speed would burn (remember there are 2 people pushing at the same time)
6) Assuming that the car was traveling at 45 miles per hour (a very efficient speed for a car). How long does it take for the car to travel 40 miles?
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