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How would I graph a collision. i.e if I have a problem
A 12,000 kg railroad car traveling at a speed of 19 m/s strikes an identical car at rest. If the cars lock together as a result of the collision, what is their common speed afterward?

What would my x axis be and what would my y axis be ?

  • physics -

    They are not asking you to graph the collision. All you need to do is apply a momentum conservation formula to compute a final speed.

    The final speed is half the initial speed of the moving car.

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