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Mcq total energy

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  1. Jan 11, 2016 #1
    1. The problem statement, all variables and given/known data

    image.jpg

    Question 8 how do we solve it?
    2. Relevant equations


    3. The attempt at a solution
    I thought it was B but i don't have a key or any guide. This book was used and the answer written by the previous book user was C. Why?
     
  2. jcsd
  3. Jan 11, 2016 #2

    HallsofIvy

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    "Total energy" is "potential energy plus kinetic energy" so "b" is correct. I don't know of any quantity that is the ratio of energies.
     
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