At a height of 302 km above the Earth's surface, an astronaut finds that the atmospheric...
At a height of 302 km above the Earth's surface, an astronaut finds that the atmospheric pressure is about 1.22E-8 mmHg and the temperature is 416 K. How many molecules of gas are there per milliliter at this altitude? (Enter the number of molecules, with no units.)
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At a height of 302 km above the Earth's surface, an astronaut
finds that the atmospheric...
2. Atmospheric Mass Venus and Earth have about the same mass and radius, but the atmospheric...
2. Atmospheric Mass Venus and Earth have about the same mass and radius, but the atmospheric pressure on the surface of Venus is measured to be 90 times larger than the pressure at the surface of the Earth. (a) Assuming Venus' atmosphere is pure CO2 and Earth's atmosphere is pure N2, estimate the atmospheric scale height for each planet. For simplicity you can assume that both atmospheres are isothermal with T = 550 K for Venus and T = 250...
10. (15points total) At some altitude above the Earth's surface, the density of air molecules is...
10. (15points total) At some altitude above the Earth's surface, the density of air molecules is 3.3x1013 molecules At this altitude, the temperature is -44°C. a. (8 points) What is the mean free path of air molecules at this altitude? Assume a molecular diameter of 2.1x10-8 cm. cm3 b. (7 points) What is the pressure at this altitude?
Many satellites orbit Earth at maximum altitudes above Earth's surface of 1000 km or less. Geosynchronous...
Many satellites orbit Earth at maximum altitudes above Earth's surface of 1000 km or less. Geosynchronous satellites, however, orbit at an altitude of 35790 km above Earth's surface. How much more energy is required to launch a 415 kg satellite into a geosynchronous orbit than into an orbit 1000 km above the surface of Earth?
Muons are particles created about 10 km above Earth's surface when cosmic rays interact with nuclei...
Muons are particles created about 10 km above Earth's surface when cosmic rays interact with nuclei in atmospheric molecules. If Special Relativity did not exist, these muons which are traveling 99.7% the speed of light, would only go about 0.660 km before decaying (their lifetime is 2.2 microseconds). But Special Relativity does apply in our Universe. How far do the muons travel before decaying (at 99.7% the speed of light and created 10 km above the Earth)? The muon flux...
The atmospheric pressure varies proportionally from sea level to height, and the air temperature ...
The atmospheric pressure varies proportionally from sea level to height, and the air temperature drops by 6K for every T km increase (a) Draw a cylindrical volume that is height inside the atmosphere, and then calculate the pressure change and expression (dP/dy-pg) depending on the height. (b) obtain the temperature change of the atmosphere accordingto the height y(km) in the place where the sea level (y-0) is at ToK temperature. (c) obtain a barometric equation which allows for the change...
At an altitude of about 10.8 km, the temperature of the Earth's atmosphere is roughly-68 Celsius...
At an altitude of about 10.8 km, the temperature of the Earth's atmosphere is roughly-68 Celsius and the pressure is around 34.7 kPa. How many kg of Carbon Dioxide gas should be put in a balloon to fill it to 3200 mᵒ at that altitude? 3452 kg 2728 kg 3056 kg 2860 kg 3244 kg
If a satellite circulate around the earth at a height of 5,113.68 km above the earth's surface
If a satellite circulate around the earth at a height of 5,113.68 km above the earth's surface, given the earth radius is 3958.8 miles and mass is 5.98 x1024 kg, use G=6.67x 10-11 Nm2/kg2, find the period of this satellite in unit hours?
1. For the earth, an estimate of the variation of pressure with altitude above the surface of the earth is made for a gas of molecular weight, M, assuming the atmosphere is isothermal, the variation...
1. For the earth, an estimate of the variation of pressure with altitude above the surface of the earth is made for a gas of molecular weight, M, assuming the atmosphere is isothermal, the variation of g with altitude is negligible, and that the atmosphere behaves like an ideal gas. A significant error in this estimate arises from the assumption that the temperature of the atmosphere, T, is isothermal instead of decreasing with altitude. This decrease with altitude y in...
The first two problems are to be submitted today. 1.(25PTS) An astronaut 300 km above the surface of the earth reco...
The first two problems are to be submitted today. 1.(25PTS) An astronaut 300 km above the surface of the earth records a temperature of 226.8°C. Calculate the average speed of molecular oxygen in m/s and mile/hr under these conditions. The formula for the average speed can be derived from the kinetic theory of gases and it is given by SRT average_speed=- (molar _mass) 2. (25PTS) Data: R=0.0821 L atm/(K mole)- 8.314 J/(K mole), Atomic mass 0-16,00 A reaction that can...
40. The atmospheric pressure (force per unit area) on a surface at an altitude z is due to the we...
problem 40 with parts
40. The atmospheric pressure (force per unit area) on a surface at an altitude z is due to the weight of the column of air situated above the surface. Therefore, the difference in air pressure p between the top and bottom of a cylindrical volume element of height Az and cross-section area A equals the weight of the air enclosed (density ρ times volume V-: ΑΔε times gravity g), per unit area: Let Δ、→0 to derive...
2. Atmospheric Mass Venus and Earth have about the same mass and radius, but the atmospheric pressure on the surface of Venus is measured to be 90 times larger than the pressure at the surface of the Earth. (a) Assuming Venus' atmosphere is pure CO2 and Earth's atmosphere is pure N2, estimate the atmospheric scale height for each planet. For simplicity you can assume that both atmospheres are isothermal with T = 550 K for Venus and T = 250...
10. (15points total) At some altitude above the Earth's surface, the density of air molecules is 3.3x1013 molecules At this altitude, the temperature is -44°C. a. (8 points) What is the mean free path of air molecules at this altitude? Assume a molecular diameter of 2.1x10-8 cm. cm3 b. (7 points) What is the pressure at this altitude?
Many satellites orbit Earth at maximum altitudes above Earth's surface of 1000 km or less. Geosynchronous satellites, however, orbit at an altitude of 35790 km above Earth's surface. How much more energy is required to launch a 415 kg satellite into a geosynchronous orbit than into an orbit 1000 km above the surface of Earth?
The atmospheric pressure varies proportionally from sea level to height, and the air temperature drops by 6K for every T km increase (a) Draw a cylindrical volume that is height inside the atmosphere, and then calculate the pressure change and expression (dP/dy-pg) depending on the height. (b) obtain the temperature change of the atmosphere accordingto the height y(km) in the place where the sea level (y-0) is at ToK temperature. (c) obtain a barometric equation which allows for the change...
At an altitude of about 10.8 km, the temperature of the Earth's atmosphere is roughly-68 Celsius and the pressure is around 34.7 kPa. How many kg of Carbon Dioxide gas should be put in a balloon to fill it to 3200 mᵒ at that altitude? 3452 kg 2728 kg 3056 kg 2860 kg 3244 kg
1. For the earth, an estimate of the variation of pressure with altitude above the surface of the earth is made for a gas of molecular weight, M, assuming the atmosphere is isothermal, the variation of g with altitude is negligible, and that the atmosphere behaves like an ideal gas. A significant error in this estimate arises from the assumption that the temperature of the atmosphere, T, is isothermal instead of decreasing with altitude. This decrease with altitude y in...
The first two problems are to be submitted today. 1.(25PTS) An astronaut 300 km above the surface of the earth records a temperature of 226.8°C. Calculate the average speed of molecular oxygen in m/s and mile/hr under these conditions. The formula for the average speed can be derived from the kinetic theory of gases and it is given by SRT average_speed=- (molar _mass) 2. (25PTS) Data: R=0.0821 L atm/(K mole)- 8.314 J/(K mole), Atomic mass 0-16,00 A reaction that can...
problem 40 with parts
40. The atmospheric pressure (force per unit area) on a surface at an altitude z is due to the weight of the column of air situated above the surface. Therefore, the difference in air pressure p between the top and bottom of a cylindrical volume element of height Az and cross-section area A equals the weight of the air enclosed (density ρ times volume V-: ΑΔε times gravity g), per unit area: Let Δ、→0 to derive...
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