February 25, 2017

Homework Help: physics

Posted by cat21 on Wednesday, August 10, 2011 at 10:40pm.

An ice hockey puck slides along the ice at 12 m/s. A hockey stick delivers an impulse of 4.0 kg*m/s causing the puck to move off in the opposite direction with the same speed. What is the mass of the puck?

I tried all sorts of ways to set this up and I just cant seem to get it, help?

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