A piece of wood with a density of 689 kg/m3 is tied with a string to

label Physics
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Oct 19th, 2017

a. volume= mass/density=0.099/689= 1.44*10^-4m^3

b. the water surface drops- this is because the wood is not displacing any water now, so the displaced water returns hence dropping the level.

c. volume of water displaced= 1.44*10^-4m^3=144cm^3

height=v/A= 144/65= 2.22 cm..............................................................................................................

Apr 10th, 2015

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