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I need some help doing very basic mathematical analysis (what would be expected of a Calculus 1 and current Physics 1 student) for my project about tank projectiles, anything to calculate something about their air resistance/air drag, yet everything I have found has either been too simple (drag not proportional to velocity squared) or way too complex (involving wind tunnel test data, which I don't think I'm collecting anytime soon). Any equations or online ballistic calculation software will do, one of my teachers suggested this spreadsheet (http://galileo.phys.virginia.edu/classes/581/ProjectilesExcel.html, go to the bottom and click download the spreadsheet), which looked promising until I realized that the drag coefficient b was a pr-entered number. I don't have much numerical data about each projectile (here is an example http://www.imi-israel.com/vault/documents/105-mm%20hesh-t%20m156_en_draft-04.pdf [Broken]). Is there anything that any of you know of that can help me?

Thanks in advance for any assistance,

Andrew

Thanks in advance for any assistance,

Andrew

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