Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
(2 N sqrt(c^2 - (k^2 N^2 (1 + m/p)^2)/562500) (m + p))/(m^2 p)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random