[題目] 萬有引力
[領域] 萬有引力
[來源] 勁園台科大第2-41頁
[題目] A與B兩星球半徑比為2:1,密度比為1:3,則兩者表面之重力加速度比為?
[瓶頸] 答案只寫到gA:gB = 2X1:1X3=2:3 但不懂為什麼是這樣算 (寫寫自己的想法,方便大家為你解答)
懇請高手幫解,謝謝
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