[問題] 萬有引力
http://imgur.com/a/tR3ge
想問一下3選項D的詳解
答案是1/ab
還有4 (3)、(4)的詳解 謝謝
上面藍筆部分是別人寫的
另外想問
R^3*σ a M a是正比的意思嗎?
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推
03/24 23:47, , 1F
03/24 23:47, 1F
→
03/24 23:47, , 2F
03/24 23:47, 2F
→
03/24 23:49, , 3F
03/24 23:49, 3F
→
03/24 23:49, , 4F
03/24 23:49, 4F
推
03/25 00:57, , 5F
03/25 00:57, 5F
→
03/25 00:57, , 6F
03/25 00:57, 6F
→
03/25 00:57, , 7F
03/25 00:57, 7F
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03/26 15:06, , 8F
03/26 15:06, 8F
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