Chapter 3 Flashcards

1
Q

what is smog formed from

A
  • emissions of hydrocarbons reacting with sunlight
  • the Hydrocarbons get trapped and cook in the sun
  • these gases produce ozone and other chemicals that form smog
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2
Q

what are factors that contribute to air quality due to cars?

A
  • increasing vehicle population
  • increasing travel per vehicle
  • Departures from federal standards
  • greater use of light trucks
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3
Q

what are some other environmental impacts due to cars (4)

A
  1. lead emissions from tetraethyl lead in gas
  2. CFCs in AC
  3. Waste motor oil
  4. release of PM from tire wear and brake dust
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4
Q

formula for energy needed to push a car on a flat surface

A

E=Fd (work)

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5
Q

Power formula

A

P=F*v

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6
Q

Friction formula

A

F=u*(W)

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7
Q

Drag formula

A

F=0.5*CApv^2

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8
Q

total force required to propel car

A

F=Fdrag +Ffriction

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9
Q

energy effieciency formula

A

E/Efuel

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10
Q

engine efficiency

A

Eshaft/Efuel

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11
Q

what mpg does the corporate average fuel economy require?

A

27.5 mpg

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