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Mathematics, 23.06.2019 20:30 jblac
A500 g model train car traveling at 0.8 m/s collides with a 300 g stationary car. the cars hook up and move off down the track together. how fast are they going? ( also how do i do it )
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A500 g model train car traveling at 0.8 m/s collides with a 300 g stationary car. the cars hook up a...
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