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Physics, 03.03.2021 17:00 AD4MF4HM1

1) A 15 kg mass moving in the positive x-direction at 9 m's collides with a 20 kg mass moving at 4 m/s. Sketch: a) If the speed of the 15 kg mass after the collision is -2m/s, what is the speed and direction of the 20 kg mass?​

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1) A 15 kg mass moving in the positive x-direction at 9 m's collides with a 20 kg mass moving at 4 m...
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