[personal] [Husker] DeAngelis (fwd)

[Doug Gerrelts]

Is this what a husker fan with too much time on his hands does in 
July?   ;-)

Doug in MN

Mike Nolan wrote:

>>WOW! I am waiting to see the Posts to this brain breaking answer.
>>
>>How does that correlate to the Bronco's kicking game?
>>    
>>
>
>Denver and Indianapolis are at roughly the same latitude, 39 degrees and 
>45 minutes.  
>
>The distance from the earth's surface to a centerline through the poles 
>is equal to radius of the earth (3595 miles) at the equator, but at 
>39'45" it is R x cos(X) or .49136 of the distance at the equator, or 
>1767.4 miles.  
>
>Thus the difference in altitude between Indianapolis (797 feet)
>and Denver (5883 feet) would increase the relative speed of the earth's 
>rotational vector by less than 1/10th of one percent. 
>
>A slightly more significant effect from the relative altitudes between
>Denver and Indianapolis might be attributed to the earth's gravitational 
>pull, but that is more likely to affect distance than lateral direction.
>
>Similarly, the density of the earth's atmosphere in Denver is significantly
>less than in Indianapolis, though that too is more likely to affect
>distance than direction.  
>
>However, the density of the atmosphere is also likely to affect the friction
>of a spinning object, permitting the football to rotate slightly faster
>during its flight.  
>
>The amount of spin on the football does affect the lateral movement of 
>the ball.  However, unlike a baseball, increasing the amount of spin on 
>a football tends to make it go straighter, not curve.  This is in some
>measure due to the fact that the football is not spherical and spins on
>an axis along its primary line of flight, while depending upon
>the grip a baseball's spin may not be the same as its line of flight,
>thus permitting it to veer off that line.
>
>Therefore, a kicker in Denver should probably have slightly more
>distance than a kicker in Indianapolis, and with a truer line of flight.
>--
>Mike Nolan
>
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>