Advertisements
Advertisements
प्रश्न
Calculate the density of an object of volume 3 m3 and mass 9 kg. State whether this object will float or sink in water. Give reason for your answer.
Advertisements
उत्तर
ρ (density) = ?
V (volume) = 3 m3
m (mass) = 9 kg
`ρ = m/V`
= `9/3`
ρ = 3 kg/m3
Answer: Density = 3 kg/m3.
It will float in water because the density of this object (3 kg/m3) is less than the density of water (1,000 kg/m3).
APPEARS IN
संबंधित प्रश्न
The density of gold is 19 g/cm3. Find the volume of 95 g of gold.
What is the mass of 5 m3 of cement of density 3000 kg/m3 ?
What is the density of a substance of mass 100 g and volume 10 cm3 ?
What is the difference between the density and relative density of a substance ?
Define relative density. What is the SI unit of relative density ?
A body floats in kerosene of density 0.8 x 103 kg/m3 up to a certain mark. If the same body is placed in water of density 1.0 x 103 kg/m3, will it sink more or less ? Give reason for your answer.
The relative densities of four liquids P, Q, R and S are 1.26, 1.0, 0.84 and 13.6 respectively. An object is floated in all these liquids, one by one. In which liquid the object will float with its maximum volume submerged under the liquid?
Why is it easier to swim in seawater than in river water?
Calculate the average density of the earth in terms of g, G and R
To find out the relative density of the substance, with respect to the density of water ______C is taken.
