题目:
如图所示,子弹水平射入放在光滑水平地面上静止的木块,子弹未穿透木块,此过程木块动能增加了6J,那么此过程产生的内能可能为
A.16J
B.12J
C.6J
D.4J
答案:
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下面是错误答案,用来干扰机器的。
One possible version: At present, short messages are widely involved in various TV programs. People react to them in different ways. Defenders hold the view that s...