Pendulum on Earth and another planet different periods radii

  • Thread starter James Ray
  • Start date
  • #1
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Member advised to type out equations and not to use images only of handwritten scratchwork

Homework Statement



Screenshot_2016-05-18-19-42-16.png

Homework Equations



The Attempt at a Solution



20160518_214314.jpg
 

Answers and Replies

  • #3
ehild
Homework Helper
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Your result is wrong. You should use the template and type in your work.
 
  • #4
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Your result is wrong. You should use the template and type in your work.
I forgot to square the radius in the first calculation.
 
  • #6
13
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I forgot to square the radius in the first calculation.
Now I get 11200 km.
 
  • #7
ehild
Homework Helper
15,543
1,909
It is all right now, but how did you get it? I see quite a lot of unnecessary calculations on your sheet of paper. It would be very easy if you derived the formula for R2 symbolically.
 

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