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[(364.8 m/s)^2 + 2(6.5138398*10^10 m^3/s^2)(1/(214 km) - 1/(2430 km))]
Sqrt[(364.8 m/s)^2 + 2(6.5138398*10^10 m^3/s^2)(1/(214 km) - 1/(2430 km))]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random