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measurement

to find the volume of an irregular shaped wooden piee a sinker made of steel (relative density = 7.85) having a mass of 157 g was used. if the levels of water before and after immersing the sinker wood ombination are 102 ml and 170 ml respectively then find the volume of woodewn piece

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First, you find the volume of sinker. Since R.D = density of object/density of water(1g/cm3). Density of object = 7.85g/cm3. So, volume of sinker = mass/density = 157/7.85 = 20cm3 = 20mlFor the sinker-wood combination, subtract volume before immersion from volume after immersion. This gives 170-102 = 68mlTherefore Volume of Wood = Net volume - Volume of sinker = 68 - 20 = 48ml
ge93
15 June 2018
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sanharshal
29 July 2018
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