15. About two-thirds of a solid wooden ball of density 0.53 g/ml is floating in an unknown liquid. Which of the following liquids could be the unknown liquid?
(A) Ethyl alcohol (density 7.89 × 102 kg/m³)
(B) Water (density 1.00 × 103 kg/m³)
(C) Mercury (density 1.36 × 104 kg/m³)
(D) Hexane (density 6.54 × 102 kg/m³)
(E) Olive oil (density 9.11 × 102 kg/m³)
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料