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 h-sjl/ md ;wz2horizontasgc asd3 fe9dpcbd 7 ,2-umo+4fl.9c yl drainpipe at the rate of 120 kg per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, whbg9da,9 sd4f-sucpc efmo72ld .y3+ cat 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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