a cube of side 20cm is floating on a liquid with 5cm of the cube outside the liquid. if the density of the liquid is 0.8g/cc then the mass of the cube is
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Answered by
48
Total volume of cube = 20³ = 8000 cm³
volume outside the liquid= 5³ = 125 cm³
volume inside the liquid= 8000- 125 = 7875 cm³
weight of the cube is equal to the weight displaced by water
so,
mg = Vρg
m= 0.8 x 7875
m= 6300
m = 6.3 kg
volume outside the liquid= 5³ = 125 cm³
volume inside the liquid= 8000- 125 = 7875 cm³
weight of the cube is equal to the weight displaced by water
so,
mg = Vρg
m= 0.8 x 7875
m= 6300
m = 6.3 kg
Answered by
8
Answer: 4.8 kg
Volume 20*20*15=6000 cm^3
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