A tennis ball of mass 57 g travels with velocity < 48, 0, 0 > m/s toward a wall. After bouncing off the wall, the tennis ball is observed to be traveling with velocity < -42, 0, 0 > m/s.
What is the change in the momentum of the tennis ball?
What is the magnitude of the change of momentum of the tennis ball?
What is the change in the magnitude of the tennis ball's momentum?