Physics, 16.02.2021 18:30, cocodemain

If a 2 kg ball is moving at 6 m/s to the right and then hits a wall and bounces back at - 4 m/s (left), what is the change in momentum (in kg*m/s)?

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If a 2 kg ball is moving at 6 m/s to the right and then hits a wall and bounces back at - 4 m/s (lef...