3. What is the mass of a piece of gold measuring
30 cm x 10 cm x 10 cm, if the density of gold
is known to be a piece 19.39/cm3?
Answers
Answered by
2
Answer:
The volume is
37.0 cm
3
Au
.
Each side is
3
√
37.0
cm
3
≈
3.332 cm
3
Explanation:
Given/Known
Density
=
19.3 g/cm
3
Mass
=
0.715
kg
×
1000
g
1
kg
=
715 g
Equation
density
=
mass
volume
Solution
Rearrange the equation to isolate volume and solve.
volume
=
mass
volume
volume
=
715
g
A
u
19.3
g
c
m
3
=
37.0 cm
3
Au
Sides of the Cube
Since all sides of a cube are equal, the volume of a cube is
s
3
, where
s
is one side. If you have the volume of the cube, you can take the cube root of the volume to find the value of each side of the cube.
Each side
=
3
√
37.0
cm
3
≈
3.332 cm
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