Question

The volume of a plastic covered sealed
box is 350 cm and the box has a mass
500 g. Will the box float on water or
sink in water? What will be the mass of
water displaced by the box?
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Answer 1

$\boxed{Explained\:Answer}$

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Given that volume of a plastic sealed box V = 350 cm^3.

Given that mass of the plastic sealed box M = 500 g.

We know that Density d = M/V

= 500/350

= 1.6 g/cm^3.

We know that density of water = 1g/cm^3.

Therefore, Density of sealed box is greater than density of water. Hence, it will sink in water.

Now,

Mass of the water displaced by the box = volume * density of water

= 350 * 1

= 350 g.