A cube-shaped vessel filled with water. determine the water pressure at the bottom if the mass of water is 64 grams.

Let’s give the data to us in the SI system:
m = 64 g = 0.064 kg.
According to Pascal’s law:
The hydrostatic pressure inside the liquid at any depth does not depend on the shape of the vessel in which the liquid is located, and is equal to the product of the density of the liquid, the acceleration of gravity and the depth at which the pressure is determined:
P = ρ * g * h, where ρ is the density of the liquid, g is the free fall acceleration of a body raised above the Earth g = 9.8 m / s2, h is the depth of immersion in the liquid.
Expression for determining body weight:
m = ρ * V, where ρ is the density of the body, V is the volume of the body.
Cube volume:
V = h³
m = ρ * V = ρ * h³
Let us express h:
h = (m / ρ) ^ (1/3)
Let’s substitute in the expression of Pascal’s law:
P = ρ * g * h = P = ρ * g * (m / ρ) ^ (1/3)
Substitute the numerical values:
P = ρ * g * (m / ρ) ^ (1/3) = 1000 * 9.8 * (0.064 / 1000) ^ (1/3) = 392 Pa.
Answer: pressure at the bottom of the cube is 392 Pa.