A wooden block of dimensions `10cmxx20cmxx50cm` weighs 6-5 kg Calculat – InterviewSolution

InterviewSolution

1.	A wooden block of dimensions `10cmxx20cmxx50cm` weighs 6-5 kg Calculate the density of the block.
Answer» Here, volume of the block, `V=10cmxx20cmxx50cm=10000cm^3` `=10000xx10^-6cm^3=10^-2m^3` mass of the block, `M=6.5kg` Density of the block, `d=(M)/(V)=(6.5kg)/(10^-2)=650(kg)/(m^3)`

Discussion

No Comment Found

Related InterviewSolutions

A body of mass 2.0 kg and density 8000 `(kg)/(m^3)` is completely dipped in a liquid of density 800 `(kg)/(m^3)`. Find the force of buoyancy on it.
(a) What is 1 atm? (b) What is the relation between 1 atm and pascal?
what is 1 pascal?
In his original barometer, Pascal used water instead of mercury. Water is lwss dense than mercury, so the water barometer would have:(a) higher height than, (b) a lower height than, or (c ) the same height as the mercury barometer. Why?
(a) Gallinule (an aquatic bird with exceptionally long toes that are spread out over a large area) can actually walk across lily pads without sinking. Explain. (b) One day while ewimming below the surface of the ocean, you let out a small bubble of air from your mouth. What happens to the bubble as it rises towards the surface?
Why do you feel lighter when you swim?
Why is it easier to walk on soft sand with a flat shoe than with a pencil-heeled shoe?
Why is it easier to swim in sea water than in river water?
A hydrometer floats with half of its stem outside water surface. It is now placed in alcohol `(RD=0.8)`. The hydrometer floats:A. with stem at the same positionB. with more stem inside the alcoholC. with more stem outside alcoholD. in tilted position.
Salt water is slightly dense than fresh water. Will a boat float higher in salt water on in fresh water?