My dear 湘女, did you ever learn some physics?
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新语丝读书论坛
送交者: Hoffman 于 2010-01-12, 16:34:19:
回答:
C
由 湘女 于 2010-01-12, 15:22:24:
Think about energy!
A hint: potential to kinetic! hehe,....
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请教一下怎么“Think about energy”？
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JFF
(26 bytes)
2010-01-12, 16:38:28
(403340)
The conservation of energy. (无内容)
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Hoffman
(0 bytes)
2010-01-12, 17:59:34
(403358)
idiot却自我感觉超好 = idiot**2 (无内容)
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JFF
(0 bytes)
2010-01-12, 19:39:10
(403382)
wo K ni m!!! ni zhe baozi yangde!
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Hoffman
(81 bytes)
2010-01-12, 20:28:17
(403406)
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