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December 22, 2014

December 22, 2014

Posted by **Fareeha** on Sunday, July 22, 2012 at 3:48am.

- physics -
**Elena**, Sunday, July 22, 2012 at 4:06amF1 =G•m•M/R1²

F2= G•m•M/R2²

F1=10 N, F2 = 5 N

F1=2F2

G•m•M/R1² =2 G•m•M/R2²

1/R1²=2/R2²

R2=√2•R1

Earth’s radius is R = 6.378•10^6 m.

h1=100 m, h2=?

R1=R+h1

R2=R+h2

R+h2=√2• (R+h1),

h2 =[√2• (R+h1)] – R.

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