Define and explain that pressure equals force per unit area that the atmosphere exerts a pressure  on any surface placed within it that the atmospheric pressure on a unit area of a surface is equal to the weight of the “air column” extending from that surface to the outer fringes of the atmosphere that atmospheric pressure decreases with height above sea level

Q: What is the height of a water barometer at atmospheric pressure?

A: Let , the height of water barometer=hdensity of water=PThen , pressure of water , P=ρgh

Q: Extreme wind will cause windows to shatter and burst outwards. Explain which principles of physics…

A: Thanks for asking. We’ll answer the first question since the exact one wasn’t specified. Please…

Q: why hot air rises

A: we know desity is massvolumeso if the volume expand then the  density become lower.

Q: The pressure inside the cabin of the aircraft flying at an altitude is A) The same as that outside…

A: The natural cause of flow of flow of any substance or matter is from from High pressure to low…

Q: Suppose you have a wind speed gauge like the pitot tube shown in the figure below. V₁=0 2 hx-pv² By…

A:

Q: The pressure in a water tower is 27,567 Pascals (N/m²) higher than at an open faucet. The density of…

A: ∆P  = 27567 pascals density of water = 1000 kgm3∆h = 8.7 m

Q: f atmospheric pressure at sea level is 1 × 10° Pa, what is the total mass of the air above a 5-m…

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Q: In aviation, a possible effect or requirement due to changes in atmospheric pressure with increased…

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Q: How does water pressure 1 m beneath the surface of a lake compare with water pressure 1 m beneath…

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Q: Why is it misleading to describe atmospheric pressure as simply the weight of the air only pressing…

A: Atmospheric pressure cannot be defined as simply the weight of the air because weight only acts in…

Q: Why is it that an aneroid barometer is able to measure altitude as well as atmospheric pressure?

A: The aneroid barometer is a small mechanical device that helps in order to measure the atmospheric…

Q: What is the pressure of the gas in the mercury manometer if h = 55 mm and atmospheric pressure is…

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Q: When a barometer is rising air pressure is:   A) increasing B) decreasing C) constant D) zero

A: Barometer: The Barometer is a device that can be used to measure atmospheric pressure. The principle…

Q: The glass in a window is 35 inches wide and 20 inches tall, and standard atmosphere pressure is 14.7…

A: Given, Width (b) = 35 inches  Length (l) = 20 inches  Pressure outside (P1) = 14.7 psi Pressure…

Q: A mercury barometer ... Pick those that apply.     has a column height that depends on Earth's…

A: A mercury barometer ... Pick those that apply.     has a column height that depends on Earth's…

Q: What is the relationship between pressure drop and air density for a change in operating conditions?

A: The relation between pressure and density is expressed through equation of states for ideal gases.

Q: A large truck tire is inflated to a gauge pressure of 90 psi. The total area of one sidewall of the…

A:

Q: certain submarine can withstand 150 atmospheres of pressure before being crushed. How deep into the…

A: Given that pressure P = 150atm  1atm=101325Pa We know that  Absolute pressure = atmospheric pressure…

Q: which of the following is true (can be two answers) 1. a higher force contributes to a higher…

A: Pressure = Force/Area The pressure is directly proportional to the force. Hence, a higher force…

Q: 7. The height of a water column equivalent to a pressure of 0.64 MPa is (water density 1000 kg/m^3)…

A: Pressure due to height h of water column of density d is given as, P= d g h

Q: Consider the air above a football field. The field has an area of 5.4x10^3 m^2. Consider the air in…

A: field has an area of 5.4x10^3 m^2Thickness of air layer = 1m

Q: air pressure

A:

Q: Which of the following is TRUE regarding pressure? * pressure = force multiplied by area pressure =…

A: Given Definition of pressure- Pressure is defined as the force applied to the surface of any object…

Q: While diving with a friend, you note that the water pressure at your current depth is 130,000…

A:

Q: 10. Shown is a contour map of atmospheric pressure in North America on August 12, 2008. On the level…

A: Given  a contour map of atmospheric pressure in North America on August 12, 2008. On the level…

Q: - What is the force that the gas exerts on a piece of paper if the gas pressure is 82,655 Pa and the…

A:

Q: Put an ice cube in a glass, and fill the glass to the brim with water. When the ice cube melts, does…

A: The level of water remains the same on melting of ice.  This is because when a solid is immersed in…

Q: Air pressure does not crush us because air pressure pushes in all directions.     True   False

A: Answer: True.

Q: At what depth beneath the surface of the lake is the pressure in the water equal to twice…

A: Answer is Option (a) The expression for find actual pressure is P=P0+ρgh Rewrite the above equation…

Q: Why does air pressure decrease with increasing altitude? (Select all that apply.) a)The weight of…

A: The pressure is force per unit area exerted by the weight of air present above the surface.  The…

Q: A simplified model of how an airplane flies relies on a difference in air pressure between the top…

A: M= 44400kg  A= 81m2

Q: Altitude (km) 30 25- 20- 15- 10- 5- Mount Everest 38 kPa (PO,7.1 kPa) 8.85 km (29,035 ft) Average…

A: The fingure below shows the air pressure at Mount Everest the highest mountain in the world is P =…

Q: The pressure of the atmosphere at sea level is 1.01 × 105 N/m2. Calculate the area over which the…

A: Given data:  Atmospheric pressure (P) = 1.01×105 N/m2  Mass of car (m) = 1000 kg Force of atmosphere…

Q: Determine the minimum area of a sheet of ice that is 0.60 meter thick if it is to support a 300-kg…

A: Write the given values with suitable variables. t=0.6 mm=300 kgρi=920 kg/m3ρw=1020 kg/m3 Here, t, m,…

Q: I could estimate the area of the thumbnail with the formula of a square like a=a^2 to use as a…

A: The formula of pressure is given as, Force per unit area P=F/A The SI unit of pressure is Pascal. 1…

Q: Which of the following is a unit of pressure? atmosphere psi N/m^2 mm of mercury  pascal all…

A: Atmospheric pressure can be denoted by psi, N/m2,mm of mercury and pascal.

Q: What type of gases exert a downward force on the Earth's surface due to gravity?

A: Downward force exerted by an object due to its mass is given by F=mgwhere, m =mass of object…

Q: What is the pressure at the bottom of a dam if the water is 74 meters deep? remember what is on top…

A: Given that  Depth of dam h=74m  Atmospheric pressure P0=1.013×1055Pa

Q: The instrument used for measuring air pressure is called .....   A) Anemometer B) Barometer…

A: Answer: Pressure:In physics, the term pressure is represented as the quantity, which is equivalent…

Q: 10 m deep pond has a diameter of 50 ma nearby lake has a diameter and a depth of 25 m. Which body of…

A:

Q: The earth is able to retain its atmosphere because of _____ a) the mean velocities of atmospheric…

A: To find: The earth is able to retain its atmosphere because of

Q: If air flows faster over a surface, parallel to the surface, the pressure will: A. increase B.…

A: According to Bernoulli’s principle, the speed of airflow is directly proportional to the pressure.