This is conservation of Momentum Joe and his brother Bo have a combined mass of 200.0 kg and are zooming along in a 100.0 kg amusement park bumper car at 10.0 m/s. They bump into Melinda's car which is sitting still. Melinda has a mass of 25.0 kg. After the collison, the twins continue ahead with a speed of 4.12 m/s. How fast is Melinda's car bumped across the floor? Please show work and explain why the answer is correct.

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