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.
0.12*(4-a)/v=0.4*(a-(-5))/L, v+L=1.4,a=0
0.12*(4-a)/v=0.4*(a-(-5))/L, v+L=1.4,a=0
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random