unirok
春芽
共回答了17个问题采纳率:76.5% 举报
(1)
P1=G总/S
=(4+ρ水gV水)/100*10^-4
=(4+1000*10*100*16*10^-6)/10^-2
=2000Pa
(2)
F浮=ρ液gV排
=1000*10*4*100*10^-6
=4N
P=P1+F浮/S
=2000+4/0.01
=2400Pa
(3)
F浮=ρ液gV排
=1000*10*4*100*10^-6
=4N
(4)
G物=ρ物gV物
ρ物=10/10*4*100*10^-6
=2.5*10^3kg/m^3
1年前
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