You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser.
This forum made possible through the generous support of SDN members, donors, and sponsors. Thank you.
Member
10+ Year Member
15+ Year Member
Full Member
15+ Year Member
check out
www.physicsforums.com for answers, i used that site when i took it last year. You need to use:
m1v1i + m2v2i = m1v1f + m2v2f
set one velocity as negative, but its been a year so im rusty. Try to check that site for additional help.