A ball has a mass of 18 g and the density of the material of which it is made up of is 3 g cm 3. What will be the volume of the ball?
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Given, mass of substance, m=50g;
volume, V=20cm3; density, ρ=?
The density of substance given is
d=Vm=20cm350g=2.5gcm−3
Hence the density of the substance is greater than the density of water. Hence the weight acting downwards Vdg is greater than the buoyant force acting upwards Vρwaterg.
Hence the substance will sink in water.
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