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MAXImum [283]
3 years ago
13

The drag coefficient of a vehicle increases when its windows are rolled down or its sunroof is opened. A sports car has a fronta

l area of 18 ft2 and a drag coefficient of 0.32 when the windows and sunroof are closed. The drag coefficient increases to 0.41 when the sunroof is open. Determine the additional power consumption of the car when the sunroof is opened at (a) 35 mi/h and (b) 70 mi/h. Take the density of air to be 0.075 lbm/ft3 .

Engineering
2 answers:
Ne4ueva [31]3 years ago
5 0

Answer:

the additional power consumption is a) 0.4669 hp, b) 3.7353 hp

Explanation:

the solution is in the attached Word document

Download docx
klio [65]3 years ago
3 0

Answer:

Explanation:

The additional power consumption of the car when v :

35 mi/h = 0.464hp

70 mi/h = 3.71hp.

For the step by step explanation of how we arrived at these answers, please go through the attached files.

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