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Consider CO2 emissions from a gasoline powered vehicle. Gasoline is acomplex mixture of hydrocarbons but for the purposes of this calculation assume an average molecular formula of C7H16. The density of gasoline is 6.07 pounds per gallon. Assume that all carbon in the fuel is converted to CO2 during combustion.
a. My old Buick gets 10 miles per gallon (mpg) and I'll drive it another 40,000 miles before it falls apart and is junked. How much carbon will I emit driving my Buick?
b. If the car weighs 4,000 pounds and is driven 10,000 miles per year, what is the ratio of the weight of carbon emitted per year to the weight of the car?
c. If the federal government taxes carbon emissions at $20 per ton of carbon, what will be the tax on a gallon of gasoline?
d. If I sell my Buick and buy a new car that gets 40 mpg, how much would I reduce my carbon emissions over those 40,000 miles?
Part of the roof of a sports stadium is to be supported by the cables AB and AC. The forces the cables exert on the pylon A to which they are attached are represented by the vectors FAB and FAC.
An agronomist wants to measure the rainfall at the centroid of a plowed field between two roads. What are the coordinates of the point where the rain gauge should be placed?
To remove a nail, a small block of wood is placed under a crowbar, and a horizontal force P is applied as shown. Knowing that the maximum vertical force needed to extract the nail is 2600 N and that the horizontal force P is not to exceed 290 N, d..
The 15-Mg tank car A and 25-Mg freight car B travel towards each other with the velocities. If the coefficient of restitution between the bumpers is e=0.6, determine the speed of each car just after the collision.
In a liquid limit test, the moisture contents correspond to 20, 25 and 35 blows are 36% and 20%, 15% respectively. What is the liquid limit of the soil
What is the ratio of the magnitude of E2 to the magnitude of E1? You may neglect the effects of gravity on the proton.
Land is extremely valuable in this area therefore to win this job you need to consider innovative approach to reduce the waste areas
A level is set up midway between two wood stakes that are about 300 feet apart. The rod reading on Stake A is 9.65 ft and the reading on stake B is 4.23 ft. The level is then set up 6 feet in front of stake B.
As part of the procurement or contracting department of this federal agency, you need to demonstrate your understanding of the different project delivery methods and contract types available to the agency.
You are a farmer. You plan to supply to your fields using water from a lake that is 500 ft above your fields using a 3 inch smooth plastic pipe, 1500 ft long. How much flow rate will you get? Initial guess: f=0.03, no pump.
A 1kg ball is dropped from the top of a cliff and falls with a constant acceleration due to gravity. Assume that effects of air resistance can be ignored.
If the detention storage on the paved section is increasing at the rate of 60 m3/hr, what is the runoff rate into the inlet grate?
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