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  1. Kyrt Malthorn
    Hello! I have some math questions. So if you don't like math, well, I do. Kinda. I consider myself an intermediate experience player, currently getting on just fine with the numbers kerbal engineer gives me. I hate actually doing math so I'm not likely to give that up any time soon, but I am comfortable with mathematical concepts. In fact, I have some interest in getting a grasp on themathematical science behind simple rockets....But I never learned logarithms. And the rocket equation involves a natural logarithm. Question 1: what are logarithm and natural logarithm, and how to do them? For the second question: the rocket equation traditionally appears using exhaust velocity. I have read it can also use isp. But I haven't seen the version of the rocket equation that uses isp, that I could plug in the stats we get in KSP. Also, I know isp is counted in seconds and relates to the engine efficiency. As I understand Newtonian physics, exhaust velocity IS your efficiency, so.... how is isp calculated and why is it more popular than exhaust velocity (other than because that's what SQUAD gave us).
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