D=M/V
If you mean the mass is 5 grams then:
V=10 x 4 x 2
V=80cm^3
D=5/80
D=.0625 g/cm^3
If you mean the block WEIGHS 5 grams then:
M=Weight/9.8=.51
V=80 cm^3
D=.51/80
D=.006375 g/cm^3
It is the mass of the block divided by its volume.
You need its mass and volume.
Volume
that is not a mathematical question, you have to know what its made of.
It is not possible to answer the question. The volume of a rectangular block requires the measure of three lengths - not 2 as given in the question.
It is the mass of the block divided by its volume.
You need its mass and volume.
on a balance
Volume
First determine the volume of the block of copper by multiplying its dimensions. Volume = 8.4cm x 5.5cm x 4.6cm = 212.52cm3 = 210cm3 rounded to 2 sig figs Density = mass/volume = 1896g/210cm3 = 9.0g/cm3
A triple-beam balance can be used. The units could be g/ml the density of a normal wood is 0.88 but a wood block in density can be anything under 1 so it can be 0.95,0.54,etc. waters density is 1 and would can float on water so wood is anything below 1.
.83 g/ml
The volume of the block is (3 x 3 x 3) = 27 cubic cm. In order to find its density, you also have to know its mass. When you have that, divide it by 27 cm3, and the answer is the density.
that is not a mathematical question, you have to know what its made of.
density of aluminum block
It is 472.44 grams.
parihaba