Any science people that are clued up (physics) help me please
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Any science people that are clued up (physics) help me please

[From: ] [author: ] [Date: 12-03-05] [Hit: ]
theres a lot more to it than that. Have a look at the article if youre interested.......
Right ive just brought a air gun pistol it's says the power of it is 3 joule I have 4.5mm STEEL bbs for it to. Is this powerful for a bb gun?

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http://www.beemans.net/airgun%20ballisti…

A 4.5 mm steel bb has a mass of about 0.32 grams. At 3 joules, we're talking about a muzzle velocity of about 140 m/s, which translates to about 460 fps. As I understand it, that's about mid-range for airgun muzzle velocities. Of course, there's a lot more to it than that. Have a look at the article if you're interested.
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