本题目来源于试卷: Physics Unit7: Linear Momentum,类别为 通用国际物理
[单选题]
Water runs out of a horm 0tfkitr(pbm 70/kh,zj7s5d izontal drainpipe at ths1 1awgezf3 zxx,8-l 7aim+vhe rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average fo sge v3,-axi+fzl1zxh 78ma w1rce 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:
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