Question

1.将一体积为0.0001m³的蜡球轻轻放入一个装满水的容器中后,从容器中所溢出的水的体积为0.000054m

Answer 1

1、F浮=p水gV排=1000*10*0.000054=0.54N

G蜡=F浮=0.54N=p蜡gV蜡

V蜡=G蜡/p蜡g=0.54/(900*10)=0.00006m³

V空=V-V蜡=0.0001m³-0.00006m³=0.00004m³

2、F乙=G排=m排g=0.5N

乙漂浮G=F乙=0.5N=mg

m=0.05kg=50g