Is pressure greater or less in regions where streamlines are crowded?

Q: What is the Pressure Gradient Force in this air parcel?

A: Given data: The high pressure on the parcel is: p1=840 mb=840×10-3×105 N/m2=840×102 N/m2 The low…

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

A: As the altitude increases the air pressure drops as we move upward we can see the decrement in air…

Q: Why will clouds tends to form above either a flat or a mountaineous island in the middle of the…

A: The heat transfer in the fluids is called convection. The convection currents in the fluids move…

Q: Why is the sea water denser than fresh water?

A: Fresh water bodies are those water bodies, which do not consist of any mixed impurities or salts in…

Q: Critical velocity refers to the velocity at which the laminar flow changes to O Viscosity O…

A: Critical velocity is a velocity at which laminar flow changes to turbulent flow.

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: How does surface tension change with temperature?

A: Surface tension is the property of the surface which is due to intermolecular attraction between the…

Q: What is cause of atmospheric pressure?

A: Atmospheric pressure is the force exerted by the mass of envelope of gas surrounding above the…

Q: why does air sink at 30 latitude?

A: The Sun heats the Earth more at the equator than at the poles. The air along the equator gets heated…

Q: what height of water will be produced the same pressure as 120 mmHg?

A: Height of Mercury = 120 mm or 120 x 10-3 m

Q: What is VISCOSITY AND TURBULENCE?

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Q: Because they are insoluble, - can have a significant adverse effect on fluidity molten metal laminar…

A: First of all we have to understand the meaning of te fluidity ,  1. Fluidity the ability of a…

Q: Why did the pressure changed when you turned off the atmosphere? Or when there is no atmospheric…

A: When the air is turned off the air pressure reduces. The particles of air cause a force on the…

Q: What is upthrust or buoyancy?

A: Buoyancy is the upward force exerted by fluid on the object when it is put in or submerged in the…

Q: When you dive to a depth of 12.50 ft in seawater, what is the pressure?

A: Givendepth (h)=12.50 ft=3.81 mlet p= pressure at depth 12.5 ft

Q: States that as air velocity increases, the pressure decreases

A: Value of lapse rate is 0.00651 k/ m It is the  rate of this temperature change with altitude, the…

Q: What is atmospheric pressure? Give an expression for change in atmospheric pressure with height.

A: Atmospheric pressure:Atmospheric pressure is the pressure exerted by the group of gases on any…

Q: What is volumetric flow?

A: volumetric flow

Q: Why is it possible for a difference in pressure to be formed when altitude changes suddenly?

A: Given: Why is it possible for a difference in pressure to be formed when altitude changes suddenly?

Q: Air pressure decreases at a rate of 1.25 Pa (pascals) per kilometer in the eastward direction. In…

A: Given:   Air pressure rate, ∂P∂t =-1.25 Pakm Velocity of ship, ∂x∂t = 10 kmhr Pressure rate on the…

Q: Explain the relationship between air pressure and volume. ?

A: The "pressure is defined as the physical force exerted on an object".  The pressure can be expressed…

Q: Relate what is happening between the pressure, area and force in the following illustrations: Force…

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Q: atmospheric pressure depends on what ?

A: The pressure due to the fluid is given by  P = h d g  where, h is the height of the fluid, g is the…

Q: Critical velocity refers to the velocity at which the laminar flow changes to O Viscosity O…

A: Critical velocity refers to velocity at which the laminar flow changes to turbulent flow.

Q: Based on your answer from Question #2, how would pressure at depth change from a lake to an ocean?

A: According to hydrostatic Law,pressure at any height is given by , P = (density)*(g)*(height) Since…

Q: What is approximate mass of a column of air 1cm2 in area that extends from sea level to the upper…

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Q: Which pressure is greater: 1.0 Atmosphere or 1.0 bar or 760 mmHg? ______ A) 1. 0 Atmosphere B) 1.0…

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Q: How does the density of air in a deep mine compare with the air density at Earth’s surface?

A: As we go down a mine, pressure increases with depth. This is because of the increase in weight of…

Q: Atmospheric pressure at an altitude of 10,000 m is exactly half of what it is at 5,000 m. Group of…

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Q: if the density of seawater is 1.03 grams per cubic centimeter at the surface, what is its density at…

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Q: Why we do not crush under such a large atmospheric pressure?

A: The air particles around you exert a certain amount of pressure on your entire body, but the same…

Q: The force that generates wind is: A) Gravity force B) Pressure gradient force C) Coriolis force D)…

A: Gravity force is the force between to masses separated by distance r and does not produce winds.…

Q: How does pressure change with depth in a water column?

A: Pressure at a depth P=WA=ρgVA=ρgh