0.1576 = 9.81 * 10^-3 / (((9.81^0.5)^2-(x)^2)^2+(50 pi * (x)/(9.81^0.5))^2)^0.5

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.