Physics

2. Boxcar A, with mass of 1500 kg, is travelling at 25 m/s to the east. Boxcar B has a mass of 2000 kg, and is initially at rest. The box cars collide inelastically and move together after they get stuck. What is their combined velocity?

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  1. east is +

    1500 * 25 - 2000 * 0 = 3500 v

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