ch13-p018 - 18. We follow the method shown in Sample...

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18. We follow the method shown in Sample Problem 13-3. Thus, 23 == 2 EE gg GM GM ad r rr ¡ which implies that the change in weight is () top bottom . g WW m d a −≈ But since W bottom = GmM E / R 2 (where R is Earth’s mean radius), we have 3 bottom 36 1.61 10 m =2 =26 0 0 N 0 . 3 0 3 N 6.37 10 m E g GmM dr mda
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