Does anybody have a good website that will explain ballistic (trajectory) physics to me?

Question

I have a bunch of ideas of what I want to be when I graduate HS. I have potential. I know that. One of them is being a weapons engineer for either the US Military (preferably USMC) or for an armory company (Like Colt or Springfield). But right now, I'm just curious about the flight pattern of... say... a catapult? But I don't want to wait till Junior year to learn physics, and don't want to spend money on a book. Any good sites?

Answer 1

Do a Google. I did and came up with this one, one of 10,000,000.
http://hyperphysics.phy-astr.gsu.edu/hbase/traj.html

Answer 2

http://online.physics.uiuc.edu/courses/phys211/fall07/syllabus.html

lecture 1 through about lecture 8
this is the University of Illinois kinetic physics website and there is power point... all the lecture notes are posted.... quite well organized.. it will also take you through the entire semester... work energy theorem... rotational kinematics...quite useful..... though when tthe semester begins again you can only view the lectures they have already given

Answer 3

Here is a Navy site about firing long range ballastics

http://www.fas.org/man/dod-101/navy/docs/es310/ballstic/Ballstic.htm