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Kepler's laws, universal gravitation mcq doubt

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  1. Jan 11, 2016 #1
    1. The problem statement, all variables and given/known data
    http://[url=http://postimg.org/image/f7e6kp0xv/][PLAIN]http://s21.postimg.org/f7e6kp0xv/image.jpg [Broken]
    image.jpg
    2. Relevant equations
    Kepler's laws

    3. The attempt at a solution

    I thought the answer will be C : I and II
    But the solution written (it was my friends book) is B, which is correct?
     
    Last edited by a moderator: May 7, 2017
  2. jcsd
  3. Jan 11, 2016 #2

    gneill

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    Staff: Mentor

     
    Last edited by a moderator: May 7, 2017
  4. Jan 11, 2016 #3
    Now?
     
  5. Jan 11, 2016 #4

    gneill

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    Staff: Mentor

    Now the image is visible.

    Your choice is the better one.
     
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