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急 ! F5 Variations 1條 7q9
2012-12-04 5:35 pm
回答 (1)
2012-12-04 6:25 pm
✔ 最佳答案
Let P^2 = kR^3 where k is a constantFor the earth, P = 1, R = 1
-> 1^2 = k(1)^3
k = 1
i.e.
P^2 = R^3
-> R = (P^2)^(1/3)
(a)
R(Jupiter)
= [(11.86)^2]^(1/3)
= 5.2 A.U.
(b)
R(Mercury)
= [(87.87/365.26)^2]^(1/3)
= 0.39 A.U.
= 0.39 x 1.496 x 10^8 km
= 5.8 x 10^7 km
參考: Myself
收錄日期: 2021-04-13 19:09:46
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20121204000051KK00046