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Old 04-14-2008, 10:39 PM
Peter r
 
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Default which football will travel farther and why? a fully air filled or a half air filled?


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Old 04-14-2008, 10:45 PM
PhysBioChemRme!
 
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Fully filled. It will have greater momentum (p=mv) because the air acts as a mass. Also the air flow around the football will be smoother in it's fluid dynamics causing less friction and therefore drag that slows it down.
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