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Buoyant Force

A 700 g sol...

Question

A $700 g$ solid cube having an edge of length $10 c m$ floats in water. How much volume of the cube is outside the water? Density of water $= 1000 k g / m^{3}$ .

A

300 c m^{3}

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B

200 c m^{3}

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C

100 c m^{3}

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D

50 c m^{3}

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Solution

The correct option is C $300 c m^{3}$
$M = 0.7 k g V = 1000 {c m}^{3}$

$ρ = 1000 k g v_{i} = vol immersed$

Acco to Archiemedes Principal.

$M g = ρ v_{i} g$

$0 \cdot 7 = lov 0 x v_{i}$

$v i = 700 {c m}^{3}$

$V (0, + sid e) = 300 {c m}^{3}$

Answer:

(A) $300 {c m}^{3}$

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