Essays Tagged: "Atmospheric pressure"

An autobiography of the incident when I went sking for my first time

die. Give me another chance to live. Please, let me go.Suddenly, I felt myself swaggering. The air pressure pushing harder below me. No, No, I take it back, don't let me go. Thoughts that were racing ...

(2 pages) 78 0 4.3 Oct/1996

Subjects: Humanities Essays > Health & Medicine > Sports

Venus, the 2nd planet from the sun.

ontgomeryPeriod 5Venus: The Boiling PlanetA planet with surface temperatures that can melt lead and atmospheric pressure that can crush a man where he stand- Venus is the most hostile of the terrestri ... , and its mean orbital velocity is 35.02 km/sec. The mass of the planet is 4.869 e + 24 KG. Venus's atmospheric composition are made up generally of carbon dioxide, nitrogen and there are trace amount ...

(2 pages) 49 0 4.5 May/2003

Subjects: Science Essays > Astronomy

Boyle's Law Experiment.

odA gas syringe was attached to a pressure sensor. The pressure sensor was calibrated, assuming the atmospheric pressure at the time of the experiment was 100kPa. Differing volumes of gas were created ... Before any readings were taken the pressure sensor had to be calibrated and an approximate value of atmospheric pressure was set, 100kPa. This was not a precise value, but we now are able to say the a ...

(2 pages) 15225 1 4.3 May/2003

Subjects: Science Essays > Physics

The modern commercial airplane. Safety, propulsion and aerodynamics.

surface is curved, the air rushing over the top is forced to speed up. The result is decreased air pressure above the wing but the air flowing below the wing is slower and its pressure is higher. The ... air flowing below the wing is slower and its pressure is higher. The wing is lifted because the air pressure on the top of the wing is lower than the air pressure on the bottom. The faster the airplan ...

(3 pages) 62 3 4.3 Jun/2003

Subjects: Science Essays > Technology

A text on decompression sickness, it's cause and cure in a discriptive text including live interactions with subjects. sources are reliable.

ferent from holding your breath and diving. When we are living on dry land, the air around us has a pressure of 14.7 pounds per square inch. That is a "normal pressure" for our bodies. Because water i ... bodies. Because water is so heavy compared to air, it does not take much water to contain a lot of pressure.If you hold your breath and dive down 33 feet, your lungs contract in size by a factor of t ...

(1 pages) 16 0 3.0 Jan/2004

Subjects: Science Essays > Chemistry

Gaia

uence the atmosphere.To maintain a constant surface temperature for billions of years a decrease in atmospheric pressure would have to occur over time. Apparently there was more oxygen in the past. Mo ... uld have to occur over time. Apparently there was more oxygen in the past. More oxygen creates more atmospheric pressure. The more oxygen lost from earth, the lower the pressure on earth. This relatio ...

(1 pages) 675 0 5.0 Mar/2005

Subjects: Science Essays > Earth Sciences

Whistle-blowing events.

vironmental hazards they might face, such as rapid changes in temperature, severe shock, changes in atmospheric pressure, etc. These chips are sealed in containers to protect them from the environment ...

(3 pages) 50 0 3.0 Oct/2005

Subjects: Social Science Essays > Society and community

Breathing in Humans.

the alveoli (Blake, 2001). The increase of volume in the alveoli lowers the air pressure below the atmospheric pressure. As we all know that air always flows from a region of high pressure to a regio ...

(2 pages) 18 0 0.0 Nov/2005

Subjects: Science Essays > Biology > Human Biology

Engineering Studies - short report of how a Vacuum Cleaner works.

take Port-Exhaust Port-Electric Motor-Fan-Porous BagThe propeller like fan when operating creates a pressure drop which is also in fact a partial vacuum. The difference in air pressure, forces the air ... acuum. The difference in air pressure, forces the air in the intake port into the cleaner where the pressure is lower, hence the suction effect.The vacuum cleaner uses the physics of drag forces to tr ...

(1 pages) 37 2 4.4 Jan/2007

Subjects: Science Essays > Engineering

El-nino

f the Pacific waters that is brought about from time to time by naturally occurring oscillations in atmospheric pressure and ocean movements in th equatorial Pacific. The warmer ocean pumps more energ ... isture into the atmosphere and this in turn alters wind and rainfall patterns around the world. The atmospheric cirulation also changes when the sea-surface temperatures in the eastern tropical Pacifi ...

(6 pages) 12 0 5.0 Feb/2008

Subjects: Science Essays > Environmental Science

An essay on tropical cyclones

seas.A storm surge can occur when a tropicalcyclone approaches or crosses a coastline. Thevery low atmospheric pressure and the stress ofstrong winds on the sea surface produce a rise insea level abo ...

(3 pages) 3731 0 1.0 Jul/2008

Subjects: Science Essays > Earth Sciences > Geography

mass conservation

he reactants.The reaction between potassium iodide and lead (II) nitrate under room temperature and atmospheric pressure results with a yellow precipitate. This reaction can be expressed by the equati ...

(7 pages) 5 0 0.0 May/2013

Subjects: Science Essays > Chemistry