4.Ekapluto is an unknown planet that has two moons in circular orbits. The table summarizes the hypothetical data about the moons. (G = 6.67 x 10-11 Nㆍm2/kg2) The mass of Ekapluto is closest to
(A)1.0 x 1023 kg,
(B) 3.0 x 1023 kg,
(C) 1.0 x 1024 kg,
(D) 1.0 x 1022 kg,
(E) 3.0 x 1022 kg.

答案:登入後查看
統計: 尚無統計資料

詳解 (共 1 筆)

#6995578
題目解析 這個問題要求我們計算未知行星...
(共 1430 字,隱藏中)
前往觀看
0
0