Physics, 01.12.2021 03:30 vavzincakjoey
ssembling a train from several railroad cars, two of the cars, with masses 2.0 x 104 kg and 4.0x 104 kg are rolled toward each other. When they meet, they couple and stick together. The lighter car has an initial speed of 1.5 m/s; the collision causes it to reverse direction at 0.25 m/s. What was the initial speed of the heavier c
Answers: 3
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ssembling a train from several railroad cars, two of the cars, with masses 2.0 x 104 kg and 4.0x 104...
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