試解：你的重量更重了。是原來的 1.28倍。球質量是原來的0.5，你與半球重心的距離是原來的5/8.

來源: wxcfan123 於 2024-07-03 16:16:37 [舊帖] [給我悄悄話] 本文已被閱讀：次

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