Question

Давление жидкости и газе состоянии покоя Как делать формула​

Answer 1

Объяснение:

не знаю правильно или нет

Answer 2

Pressure in Liquids and Gases at Rest

When discussing the pressure in liquids and gases at rest, we can use different formulas depending on the specific situation. Let's explore the formulas for pressure in liquids and gases separately.

Pressure in Liquids:

The pressure in a liquid at rest can be calculated using the following formula:

P = ρgh

Where: - P is the pressure in the liquid, - ρ is the density of the liquid, - g is the acceleration due to gravity, and - h is the height of the liquid column.

This formula is derived from the hydrostatic pressure equation, which states that the pressure at any point in a fluid is equal to the weight of the fluid column above that point.

Pressure in Gases:

The pressure in a gas at rest can be calculated using the following formula:

P = nRT/V

Where: - P is the pressure of the gas, - n is the number of moles of the gas, - R is the ideal gas constant, - T is the temperature of the gas in Kelvin, and - V is the volume of the gas.

This formula is derived from the ideal gas law, which describes the relationship between the pressure, volume, temperature, and number of moles of a gas.

Example:

Let's consider an example to illustrate the use of these formulas. Suppose we have a container filled with water. The height of the water column is 10 meters, and the density of water is 1000 kg/m^3. We want to calculate the pressure at the bottom of the container.

Using the formula for pressure in liquids, we have:

P = ρgh = (1000 kg/m^3)(9.8 m/s^2)(10 m) = 98,000 Pa

Therefore, the pressure at the bottom of the container is 98,000 Pascal.

Please note that the formulas provided here are for liquids and gases at rest. If the liquid or gas is in motion or undergoing other complex conditions, additional factors and formulas may need to be considered.

I hope this explanation helps! Let me know if you have any further questions.