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.
plot x=0..0.4, 600 * (1 - (x/0.4)^2
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
