本题目来源于试卷: Work Energy and Power，类别为 美国物理杯赛(Physics Bowl)
[单选题]
14.11: A crate gains 7zr0,n j- kqee36c 1x.j;sgs a:1k(,1jb*+ ja filpxvkv .0 J of kinetic energy while its speed is increased from 2.00m/s to 4.00m/s. Which on1:+p k sxj*icf,lvgx1jav. k ;s1 jba(e of the following choices best represents the mass of the crate
A. 36.0kg
B. 18.0kg
C. 6.0kg
D. 3.0kg
E. 1.5kg
参考答案: C
本题详细解析:
暂无
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