Advertisements
Advertisements
Question
A piece of steel has a volume of 12 cm3, and a mass of 96 g. What is its density in kg/m3 ?
Advertisements
Solution
We know that 1 g/cm3 = 1,000 kg/m3
So, 8 g/cm3 = 8 × 1,000 kg/m3
= 8,000 kg/m3
Ans: Density of steel piece = 8,000 kg/m3.
APPEARS IN
RELATED QUESTIONS
What is the mass of 5 m3 of cement of density 3000 kg/m3 ?
Write down an equation that defines density.
5 kg of material A occupy 20 cm3 whereas 20 kg of materia! B occupy 90 cm3. Which has the greater density : A or B ? Support your answer with calculations.
Define relative density. What is the SI unit of relative density ?
When a golf ball is lowered into a measuring cylinder containing water, the water level rises by 30 cm3 when the ball is completely submerged. If the mass of ball in air is 33 g, find its density.
A solid of density 900 kg/m3 floats in oil as shown in the given diagram. The oil floats on water of density 1000 kg/m3 as shown. The density of oil kg/m3 could be :
The diagrams represent four measuring cylinders containing liquids. The mass and volume of the liquid in each cylinder are stated. Which two measuring cylinder could contain an identical liquid?
Why is it easier to swim in seawater than in river water?
A ball weighing 4 kg of density 4000 kg m–3 is completely immersed in water of density 103 kg m–3 Find the force of buoyancy on it. (Given g = 10 m s–2)
To find out the relative density of the substance, with respect to the density of water ______C is taken.
