装修问答
如图所示，水塔与自来水管组成联通器，若水塔内水面高度h1=18m,五楼住户水龙头出水口高度h2=13m,四楼住户?
答
S=πr^2=3.14*0.01*0.01=0.000314m^2
F=PS=ρghS=1000*10*(18-10)*0.000314憨憨封窖莩忌凤媳脯颅=25.12N
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晴天小珠717
282024-05-05
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