Homework Help: physics

Posted by zavy on Monday, January 30, 2012 at 11:15am.

Two carts with masses of 11.7 kg and 2.5 kg
move in opposite directions on a frictionless
horizontal track with speeds of 6.6 m/s and
3.1 m/s, respectively. The carts stick together
after colliding head-on.
Find their ﬁnal speed.
Answer in units of m/s

physics - Writeacher, Monday, January 30, 2012 at 11:22am
Spamming the board with all these questions under different names (we can see that you're posting from the same computer) won't get you anywhere.

Are you taking a test?
physics - drwls, Monday, January 30, 2012 at 11:38am
Learn to apply the law of conservation of momentum. It is all you need to solve this problem.

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