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In terms of impulse and momentum

  1. Jan 11, 2006 #1
    In terms of impulse and momentum....

    In terms of impulse and momentum....

    why are padded dashboards safer in automobiles?

    why are nylon ropes, which stretch considerably under stress, favored by moutain climbers?

    why is it preferred that railroad cars be loosely coupled with slack between cars?
  2. jcsd
  3. Jan 11, 2006 #2
    THis is probably a homework question?

    What are all of your equations for impulse?

    Also, what does padding or stretching *do* or *cause*?
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