Recent content by Richard Noel

I managed to figure it out. The problem is out of stupidity, I calculated the speed of light to be 300k m/s, not 300m m/s as it should be (rounded off I know, but it was only for approximation). This made a significant difference. We then ended up with 1.261x1013 megajoules, or 3,015 megatons of...

Yes, I could do that. But all I really want is to work out fast I'd have to hurl a shell in order for it to have that level of impact force. I like to make the numbers real where possible because it gives you nice consistency and a little realism where you can. I've ignored the laws of physics...

Can you help me work something out, please? I'm writing a science fiction story, and want to work out how much impact energy would be produced by railgun. As a starting point, though I'm sure it should be way too high, if I accelerated a 300kg shell to 290,000 m/s, the kinetic energy should be...