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.
M²=r²*(r²+(3V/(PI*r²))²)*(3V/(PI*r²))², solve for V=12.566, M=22.654
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random