Homework Help: physics

Posted by sara on Friday, February 10, 2012 at 8:48am.

Betty Bodycheck (mB = 50 kg, vB = 22.0 km/h in the positive x-direction) and Sally Slasher (mS = 45.2 kg, vS = 28.0 km/h in the positive y-direction) are both racing to get to a hockey puck. Immediately after the collision, Betty is heading in a direction that is 76.0° counterclockwise from her original direction, and Sally is heading back and to her right in a direction that is 12.0° from the x-axis.

physics - drwls, Friday, February 10, 2012 at 8:59am
This appears to be a momentum conservation problem, but you forgot to ask a question.
physics - sara, Friday, February 10, 2012 at 9:24am
The question is what are their final kinetic energy?
physics - mary, Monday, October 8, 2012 at 5:47pm
need help with this question does anyone know the answer

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