Homework Help: physics

Posted by tyler on Sunday, October 17, 2010 at 10:37pm.

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

What is mass of puck?

physics - TutorCat, Monday, October 18, 2010 at 12:39am
look at the units!

(__kg)(12m/s)=4.0kg*m/s

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