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.
sqrt[([105.65869 MeV]/([([299792 km/s]*[2.99792x10^7 MHz/s])]))*[1.884×10^-27 newton s]^1]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random