Physics, 19.07.2019 09:00, Kashawilliams2142

Two identical balls collide one was initially at rest. after the collision one of the balls has a velocity of 3 m/s south. the other has a velocity of 4 m/s west. what was the velocity of the ball that was moving before the collision

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Two identical balls collide one was initially at rest. after the collision one of the balls has a ve...