本题目来源于试卷: Physics Unit7: Linear Momentum,类别为 国际高中通用物理
[单选题]
Water runs out of a horizontal drainpipe at the ra50 0)k bxlpbwr ywgvbb(5e+,ac)9bm 4adpcn7te of 120 kg perh* r z(*z tsuhl6kkj-n6s t0(g minute. It falls 3.20 m to the ground. Astgkrh*u l6-6js(0*t h znk(zssuming the water doesn't splash up, what average force does it exert on the ground?
A. $6.20 \; N$
B. $12.0 \; N$
C. $15.8 \; N$
D. $19.6 \; N$
参考答案: C
本题详细解析:
暂无
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