4. The top part of a water tank is divided into two compartments, and a fluid with an unknown density is poured into one side as shown in the Figure. The levels of the water and the liquid are measured. The density of the fluid is to be determined. Where height of water (hw) is 45 cm and height of fluid (h) is 80 cm. Assume water density as 1000 kg/m³. [Ans:563 kg/m³ ] Fluid Water

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