Asked by Daniel
(1) A solid weight 0.04 Newton in air and 0.024 newton when fully immersed in liquid of density 300 kilogram per metre cube.What is the volume of the solid?
(2)The density of a body is 5*10^3 kilogram per metre cube and it weights 1 newton in air and.Calculate the apparent weight of the body when when totally immersed in water.(density is 10^3 kilogram per metre cube)
(2)The density of a body is 5*10^3 kilogram per metre cube and it weights 1 newton in air and.Calculate the apparent weight of the body when when totally immersed in water.(density is 10^3 kilogram per metre cube)
Answers
Answered by
bobpursley
weigh=mg=.04
mass= .04/9.8=4.08grams
in liquid:
weight= mg-bouyancy
= mg-volume*density=mg-V*300g/liter
.024=4.08-v*300g/liter
v= = 4.06 grams*1000cm^3/300g
= 13.52 cm^3 check all that.
2. volume=mass/density=1/(9.8*E3)
volume= 102 cm^3
bouyancy= 102cm^2*1g/cm^3
apparent weight= 1-9.8N/kg*.102kg
= 1-.98 N=.02N check math.
mass= .04/9.8=4.08grams
in liquid:
weight= mg-bouyancy
= mg-volume*density=mg-V*300g/liter
.024=4.08-v*300g/liter
v= = 4.06 grams*1000cm^3/300g
= 13.52 cm^3 check all that.
2. volume=mass/density=1/(9.8*E3)
volume= 102 cm^3
bouyancy= 102cm^2*1g/cm^3
apparent weight= 1-9.8N/kg*.102kg
= 1-.98 N=.02N check math.
Answered by
isa
A solid cube of side has a mass of 250g. What is its density in kgm-3?
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