Question

if 60% of a solid is inside the fluid while floating then density of solid will be?( given that the density of the liquid is 3 x 10^3 kg/m^3)

Answer 1

Here, mass m=100kg,

density ρ=500kgm

−3

Volume of the body, V=

ρ

m

=

500

100

=0.2m

3

Weight of water displaced

=Vρg

=0.2×10

3

×g

=200gkgwt

Mass of water displaced =200kg

∴ the additional mass which can be added to body, so that body can sink

=200−100=100kg

=======================

$Here, mass m=100kg, </p><p></p><p>density ρ=500kgm−3</p><p></p><p>Volume of the body, V=ρm</p><p></p><p></p><p>                                      =500100=0.2m3</p><p>Weight of water displaced </p><p></p><p>=Vρg</p><p></p><p>=0.2×103×g</p><p></p><p>=200gkgwt</p><p></p><p>Mass of water displaced =200kg</p><p>∴ the additional mass which can be added to body, so that body can sink </p><p></p><p>=200−100=100kg</p><p></p><p>$

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