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4. [-45 Points] DETAILS OSCOLPHYS1 8.3.023. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Train cars are coupled together by being bumped into one another, Suppose

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4. [-45 Points] DETAILS OSCOLPHYS1 8.3.023. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Train cars are coupled together by being bumped into one another, Suppose two loaded train cars are moving toward one another, the first having a mass of 170,000 kg and a velocity of 0.300 m/s, and the second having a mass of 125,000 kg and a velocity of -0.120 m/'s. (The minus indicates direction of motion.) What is their final velocity? m/s Additional Materials Reading 5. [-/5 Points] DETAILS OSCOLPHYS1 8.4.029. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER

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