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Homework Help: V before collision problem1

  1. Feb 23, 2008 #1
    1. One early morning a young woman, Anna, left her home for work in a hurry. She didnt know how fast she was driving and she didn't see the stalled car on the street until she runs into it. When the copscame they determined that the two vihecles must have moved togather for about 2 meters distance at o.o5 m/s after collision. The mass of Anna's car is 300kg and the mass of the stalled car is 200kg. You are given this information to calculate how fast Anna was driving before collision

    2. Is this kind of collision elastic or inelastic?

    3. For some reason i fail to understand momentum problems. I would love to understand how to do this. Help!
  2. jcsd
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