mass of steel I used for calculation was http://steelmedia.com/steel-balls-data.htm
1.046 kg per 1000 balls. so 1.046 g where m is represented as a decimal of 1 kg.
=0.5*(0.001046*(45.74*45.74))
This leaves us with 1.09 J
edit:
this formula calculates the KE for a 1/4 inch steel ball traveling at 150 fps.
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I futz with V2s, V3s and V6s. I could be wrong... but probably, most likely not, as far as I know.
Last edited by lurkingknight; March 6th, 2015 at 22:35..
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