A wooden cube floating on water supports a mass m=0.2kg on its top.When the mass is removed,the cube rises by 2 cm.the side of cube is-

Asked by architsrivastava02 | 6th Dec, 2010, 09:21: PM

Expert Answer:

cube is floating, therefore
weight of liquid displaced = weight of cube
let  the volume of liquid displaced = V
and density of liquid = ρ
and mass of cube = M
then
if liquid is water then ρ = 1000 kg/m3   
                              l  =  0.02 m (given)
                              m= 0.2 kg (given)
putting these value we get a= 0.1 m
                                        = 10 cm

Answered by  | 7th Dec, 2010, 09:21: PM

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