Question

Який тиск буде на висоті 800м, якщо біля підніжжя тиск 760мм ртутного стовпчика?

Answer 1

На каждые 100 м приходится 12.5 мм рт столба

12.5×8=100 мм

с высотой давление понижается

760-100=660 мм рт столба

вроде так

Answer 2

Calculating Pressure at 800m Altitude

To calculate the pressure at a specific altitude, we can use the barometric formula, which describes how pressure changes with altitude in Earth's atmosphere. The formula is given by:

P = P₀ * e^(-Mgh/RT)

Where: - P is the pressure at the given altitude - P₀ is the pressure at sea level (760 mmHg in this case) - e is the base of the natural logarithm (approximately 2.71828) - M is the molar mass of Earth's air (approximately 0.029 kg/mol) - g is the acceleration due to gravity (approximately 9.81 m/s²) - h is the altitude above sea level (800m in this case) - R is the ideal gas constant (approximately 8.314 J/(mol·K)) - T is the temperature in Kelvin

Calculation

Using the barometric formula, we can calculate the pressure at 800m altitude:

P = 760 * e^(-0.029 * 9.81 * 800 / (8.314 * 288))

Result

The pressure at 800m altitude, given a sea level pressure of 760 mmHg, is approximately 732.6 mmHg.