Test: AP Physics C Electricity

1.

We have two balls. The first ball has mass 0.54kg and is traveling 7.1m/s to the right. It collides head-on elastically with a second ball of mass 0.95kg traveling 2.8m/s to the left. After the collision, what is the speed and direction of each ball?

1-d_collision

 to the left,  to the right

 to the left,  to the left

 to the left,  to the right

 to the right,  to the right

 to the left,  to the right

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