1、V水=m水/p水=4 kg/(1000kg/m3)=0.004m3
2、碧棚P水=p水gh=1000kg/m3*10N/kg*0.3m=3000Pa
3、P=G总/S=50N/0.01㎡=5000Pa。
说明:有的符号在这里打不来,你认真看。亮搏p水是水的密度。m3是立方米。敬慧祥
4kg*1kg/l=4L1000kg/雹销m3乘卜没0.3m*10n/kg=3000p
50n/型肆纳0.01m3=5000p
1.4L2.3000p3.5000p
0.004
300
500
4kg*1kg/l=4L
P=ρgh=1000*10*0.3=3000pa
p=F/S=50/0.01=5000pa
V水=0.004m3;P水=3000pa;P=5000pa
1,4L 2,4000 3,5000