http://upload.wikimedia.org/math/4/2/f/42fa657994ca819eccfcf2b36296ddf9.png(adsbygoogle = window.adsbygoogle || []).push({});

Sorry I can't display images on these forums.

That is the equation of finding the trajectory of a projectile with gravity and air resistance.

I know that

m = mass

vº = initial velocity

e = 2.71828

g = -9.81m/s²

What do those other variables stand for?

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: What are these variables?

**Physics Forums | Science Articles, Homework Help, Discussion**