Need help for last problem in homework

  • Thread starter slcxow
  • Start date
  • #1
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I was able to solve all my other problems for homework but I'm having problems with this one.
Any help would be appreciated. Thanks


A 1200 kg frictionless roller coaster starts from rest at a height of 19 m. What is its kinetic energy when it goes over a hill that is 11 m high?
 

Answers and Replies

  • #2
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Hint: Conservation of energy
 

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