Answer :
Final Answer:
The 84 kg rock displaces 84 L of water when submerged.
Explanation:
To determine the volume of water displaced by the rock, we can use the concept of density. Density is defined as mass per unit volume. In this case, the density of water is given as 1 kg/L, which means that 1 liter of water has a mass of 1 kg.
The mass of the rock is 84 kg, and we want to find out how much water it displaces. Since the density of water is 1 kg/L, the mass of the rock is equivalent to the volume of water it displaces. So, the rock displaces 84 L of water (84 kg = 84 L).
When an object is submerged in a fluid, it displaces an amount of fluid equal to its own volume. This is known as Archimedes' principle. So, the rock, with a volume of 84 L, displaces 84 L of water.
In summary, when the 84 kg rock is submerged in water, it displaces 84 L of water due to its mass, and this is based on the principle of density and Archimedes' principle.
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