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What's a Joule? (view source)

10 bytes added , 02:39, 10 February 2013

''Kinetic Energy derivation:''

'''Energy = 0.5 * mass (kg) * square of velocity (m/s)'''

''For use, including factors for mixed units (g and ft/s)''

'''Energy = Speed (fps) squared * BB mass (g) / 21500'''

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