Question

HELP ME PLZZ .its important

a 15 cm long cube made of oak and side floats in water with 10.5cm of its depth below the surface and its side vertical what is the density of oak.

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Answer 1

Answer:

volume of oak under water = 15*15 * 10.5

so Archimedes says

mass of oak = density of water * volume under water = 1 g/cm^3 * 15*15 * 10.5

total volume of oak = 15*15*15

density = mass/volume = 1 g/cm^3 * 10.5/15

Answer 2

Answer:

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Explanation:

volume of oak under water = 15*15 * 10.5

so Archimedes says

mass of oak = density of water * volume under water = 1 g/cm^3 * 15*15 * 10.5

total volume of oak = 15*15*15

density = mass/volume = 1 g/cm^3 * 10.5/15