Talk:Escape velocity

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I NEED MATHEMATICAL PROOF FOR ESCAPE VELOCITY.

I wonder, why refer to the object launched as "a ball"? Not only is it a gross and unnecessary simplification, but it even fails to be a common example to demonstrate what terminal velocity is. As a matter of fact, I think balls are just about the least likely thing to reach such a velocity - who ever did or would launch a ball and why?!

I'm not going to go into petty battles and change it back to my suggested "object", but I urge the other editors to do so. Or at least use a classic and coherent specific example, like a cannon shell.

Also, when describing how the object will not fall back down, the article uses double quotes around the word "never". How come? Why is it only a theoretical "never"?? Because the universe will end, or what?