Quote:
Originally Posted by Cd
If you have two cars with an identical Cd*, but one has a blunt nose, how does the larger area of high pressure at the front of the nose affect the car ?
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What do you mean by "affect the car"?
If you're asking about resistance to moving through the air, different shapes with identical Cd are subject to the same drag force (assuming identical A, etc.). That's what Cd indicates.