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.
(c1 - n * v1)^2 + (c2 - n * v2)^2 = (r1 + r2)^2 solve for n
(c1 - n * v1)^2 + (c2 - n * v2)^2 = (r1 + r2)^2 solve for n
Natural Language
Math Input
Extended Keyboard
