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IndustryArena Forum > Community Club House > Environmental / Alternate Energy > What will happen to the oil companies

Thread: What will happen to the oil companies

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  1. 03-02-2013, 08:44 AM #41
    RIN
    RIN is offline Registered
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    Quote Originally Posted by night owl View Post
    Hi Guys,
    My physics is a little rusty, but as I remember it, doubling the velocity requires roughly 4x the power, not 8x.
    Cheers,
    night owl
    Rolling resistance increases linearly with speed while aerodynamic drag increases with square of speed. Therefore takes eight times the power to double the speed.
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  2. 03-02-2013, 08:54 AM #42
    night owl
    night owl is offline Registered
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    Quote Originally Posted by RIN View Post
    Rolling resistance increases linearly with speed while aerodynamic drag increases with square of speed. Therefore takes eight times the power to double the speed.
    Better check your formula.
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  3. 03-02-2013, 10:19 AM #43
    RIN
    RIN is offline Registered
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    Quote Originally Posted by night owl View Post
    Better check your formula.
    If you don't believe it Google it. That is why in example Bugatti Veyron (that is not much bugger than Miata) needs 1000 HP to reach its top speed despite its good aerodynamics.
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