• anonymous
A freely rolling 1200kg car moving at .65m/s is to compress the spring no more than 7 cm beffore stopping. a) what should be the force constant of the spring, and what is the max amount of energy that gets stored in it? b) if the springs that are actually delivered have the proper force constant but can become compressed by only 5 cm, what is the max speed of the given car for which they will provide adequate protection?
  • Stacey Warren - Expert
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  • schrodinger
I got my questions answered at in under 10 minutes. Go to now for free help!
  • IsTim
Oh. We have a physics group. Post your question there by clicking the Blue button and searching for Physics. Since nobody is there though, you should post a link in the math chat.
  • anonymous
yeah go to physics.
  • anonymous
thanks i did

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