an object has a mass of 615 grams and a volume of 105 cm2 what is the density of the...
an object has a mass of 615 grams and a volume of 105 cm2 what is the density of the object
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The formula xxx density xxx
ρ = m/V, where
m is the mass of the object
V is the volume of the object
Our object has a mass of:
m = 615 g
and a Volume of:
V = 105 cm^3
That means our object's density is:
ρ = m/V =>
ρ = 615 g/105 cm^3 =>
ρ ≈ 5.857143 g/cm^3
In SI the unit for density is kg/m^3.
1 gram = 0.001 kg = 10^(-3) kg
1 cm^3 = (0.01)^3 m^3 = 10^(-6) m^3
So, our density of ρ ≈ 5.857143 g/cm^3 is in SI:
ρ ≈ 5.857143 * 10^(-3)/10^(-6) kg/m^3 =>
ρ ≈ 5.857143 * 1/10^(-3) kg/m^3 =>
ρ ≈ 5.857143 * 10^3 kg/m^3 =>
ρ ≈ 5857.143 kg/m^3
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