1、v排=3V/5=100X3/5=60cm^3=0.00006m^3
F浮=p水gV排=1000X10X0.00006=0.6N
2、漂浮:F浮=G=0.6N
3、p=m/V,m=G/g=0.6/10=0.06kg=60g
p=60/100=0.6g/cm^3=0.6x10^3kg/m^3
1、v排=3V/5=100X3/5=60cm^3=0.00006m^3
F浮=p水gV排=1000X10X0.00006=0.6N
2、漂浮:F浮=G=0.6N
3、p=m/V,m=G/g=0.6/10=0.06kg=60g
p=60/100=0.6g/cm^3=0.6x10^3kg/m^3