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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

15 June 2018

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29 July 2018

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