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 horiz5c;.tlt*pku l rnyg74 *g 8ijf,h0ftzontal drainpipe at the likfwsda:qg59 a6w5( v.ckz, rate of 120 kg per minute. It falls 3.20 m to the 5sw9l.q5w6kd fz( i:agkac,vground. Assuming 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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