Member of the Month

hi_vis360
November, 2024

Online

Welcome to the Newschoolers forums! You may read the forums as a guest, however you must be a registered member to post. Register to become a member today!

Physics help- off center collisions

profile picture
dirtylion27
Posts: 403 - Karma: 21
Sorry this is annoying but,
V1= 4.5m/s
momentum=.878m/s kg
m1=.196 kg
m2= .165 kg
theta= 42.7
I just cant figure out how to find v1 after collision, or v1 prime. thanks


Dec 10 2010 5:56PM
0 0
profile picture
john.stossel
Posts: 943 - Karma: 5
you gotta use trig for the angle  and conservation of momentum, i forget how to do that stuff
Dec 10 2010 5:59PM
0 0
profile picture
MEGAZORD
Posts: 4531 - Karma: -7
Click for larger image
Dec 10 2010 6:00PM
0 0
profile picture
appa
Posts: 2249 - Karma: 1,739
p=mv

m1v1+m2v1=m1v2+m2v2

use sines and cosines to determine momentum in the x and y direction... something like that
Dec 10 2010 6:01PM
0 0
profile picture
a_pla5tic_bag
Posts: 9217 - Karma: 5,399
i remember the formulas for elastic and inelastic collisions but i don't remember how do do angles. the one for elastic collision is posted above me unless someone posted while i was typing this.
Dec 10 2010 6:04PM
0 0
profile picture
yuck
Posts: 8384 - Karma: 2,090
i just did this in physics less than a month ago but im too lazy to explain it, plus this guy will do it better.

http://www.khanacademy.org/video/2-dimensional-momentum-problem?playlist=Physics
Dec 10 2010 6:44PM
0 0
All times are Eastern (-5)