GURPS ULTRATECH ballistics?

[DouglasCole]

Originally Posted by hal

Your formula for Joules is:

.5 * Weight in grams/1000 * (Velocity in meters/sec divided by 1000)^2

I'm guessing that you were trying to use the formula such that it used unit measures of Kg and Kilometers

That's my guess overall.

You sure that second m/s is divided by 1000? A Joule is a kg m/s^2, which is mass in kg, velocity in m/s. There shouldn't be a second divisor there.