A solid of mass 1kg suspended by a string is completely immersed in water. If the in the string is 5N, calculate the upthrust on the solid, the volume of the solid and its density (g=10m/s² density of water=1000kg/m³)

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  1. upthrust = (1 kg * g) - 5 N = 10 N - 5 N

    the solid displaces 5 N of water ... 500 g ... 500 cm^3

    the density is twice the density of water

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