At just over 4000 ft, the flat summit of Mt. Ka'ala is the highest peak on Oahu. At that elevation, the air pressure is 12.61 psi or _____ kPa?
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At just over 4000 ft, the flat summit of Mt. Ka'ala is the highest peak on Oahu. At that elevation, the air pressure is 12.61 psi or _____ kPa?
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- During the first quarter of the year, a specific location in Aurora had an average air temperature of 35°C and a pressure of 0.998 atm. What is the direct distance between this place and La Trinidad if the city is elevated at a 45° angle to this location? The pressure in La Trinidad is assumed to be 0.834 atm. Every 1000 feet of vertical elevation, the temperature of the atmosphere drops by about 1.2 degrees Celsius. What is the average temperature in La Trinidad this time of year (in degrees Celsius)? Assume that the air is still and behaves like an ideal gas.An automobile moving through the air causes the air velocity (measured with respect to the car) to decrease and fill a larger flow channel. An automobile has an effective flow channel area of 3 m2 . The car is traveling at 90 km/h on a day when the barometric pressure is 70 cm of mercury and the temperature is 20°C.A bubble of air is rising up through the ocean. When it is at a depth of 20.0 m below the surface, where the temperature is 5.00°C, its volume is 0.90 cm3. What is the bubble's volume (in cm3) just before it hits the ocean surface, where the temperature is 20.0°C? Assume the average density of sea water is 1,025 kg/m3. Hint: Use Pascal's Principle (textbook Eq. 14.4) to determine the pressure at the depth of 20.0 m below the surface. cm3
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- Determine the atmospheric pressure at a location where the barometric reading is 740 mmHg and the gravitational acceleration is g = 9.805 m/s2. Assume the temperature of mercury to be 10°C, at which its density is 13,570 kg/m3.The density of a gas is 0.417 kg/m^3. What is the specific volume of the gas?A weather map shows a shallow, stationary depression centred over a point on the Earth's surface at latitude 50° N. The isobars corresponding to pressures of 998, 1000 and 1002 mbar are concentric circles of radius 50, 200 and 350 km respectively. Estimate the wind speed on the 1000 mbar isobar, neglecting the effects of friction between air and ground. You may assume that the wind direction follows the isobars (i.e. rotating anti-clockwise in circles around the depression as viewed from above). I [1mbar 100 Pa; you can take the density of air to be. 1.2 kg m-3.1