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.
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統計: 尚無統計資料
統計: 尚無統計資料