How would you calculate air resistance from a projectile

[brandy]

im very interested to find out. iv been trying to nut it out but as of yet have not really got anywhere and so i thought id ask the brains here at physicsforums.

btw i realize direction changes but does the magnitude of air resitance change? i was assuming it didnt but if i did I am just going to give up right now.

 

[berkeman]

im very interested to find out. iv been trying to nut it out but as of yet have not really got anywhere and so i thought id ask the brains here at physicsforums.

btw i realize direction changes but does the magnitude of air resitance change? i was assuming it didnt but if i did I am just going to give up right now.

These two articles together should help:

http://en.wikipedia.org/wiki/Projectile_motion

http://en.wikipedia.org/wiki/Air_resistance

.