The pressure inside a commercial airliner is maintained at 1 ATM (1.01 × 105 N/m2).What is the outward force exerted on a 1.0 m × 2.0 m cabin door if the outside pressure (at 10 km height)is 0.3 ATM?

A) 1.4 × 102 N B) 1.4 × 103 N C) 1.4 × 104 N D) 1.4 × 105 N E) 7.0 × 103 N A) 1.4 × 102 N B) 1.4 × 103 N C) 1.4 × 104 N D) 1.4 × 105 N E) 7.0 × 103 N

A Boeing 737 airliner has a mass of 20 000 kg and the total area of both wings (top or bottom)is 100 m2.What is the pressure difference between the top and bottom surface of each wing when the airplane is in flight at a constant altitude?

A) 1 960 N/m2 B) 3 920 N/m2 C) 7 840 N/m2 D) 4 560 N/m2 E) 3 070 N/m2 A) 1 960 N/m2 B) 3 920 N/m2 C) 7 840 N/m2 D) 4 560 N/m2 E) 3 070 N/m2

An empty spice bottle has an inner volume of 1.31 × 10−4 m3.It has a mass of 112 g when filled with air,and it displaces 1.63 × 10−4 m3 of water when fully submerged.What fraction of the total volume of the bottle will be beneath the surface when it is placed in a tank of water?

A) 0.69 B) 0.81 C) 0.85 D) 1.00 E) 1.46 A) 0.69 B) 0.81 C) 0.85 D) 1.00 E) 1.46

Exam 14: Fluid Mechanics

When water freezes,it expands about nine percent.What would be the pressure increase inside your automobile engine block if the water in there froze? The bulk modulus of ice is 2.0 × 10⁹ N/m²,and 1 ATM = 1.01 × 10⁵ N/m².

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Question 1

Correct Answer:

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Find the pressure in atmospheres in the water at the base of Dworshak Dam if the water in the reservoir is 200 meters deep.(1.01 × 10⁵ N/m² = 1 ATM. )

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Question 2

Correct Answer:

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A wind of velocity 10 m/s is blowing through a wind generator with blade radius 5.00 meters.What is the maximum power output if 30.0% of the wind's energy can be extracted? ρ_air = 1.25 kg/m³.

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Question 3

Correct Answer:

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A thin rectangular piece of wood floats in water.You slowly pour oil with a density equal to that of the wood on the surface of the water until the height of the oil above the water is twice the height of the piece of wood.Which statement is correct?

(Multiple Choice)

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Question 4

A fountain sends water to a height of 100 meters.What must be the pressurization (above atmospheric)of the water system? 1 ATM = 1.01 × 10⁵ N/m².

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Question 5

The figure below shows a container filled with water to the height shown.When we compare the pressure at A to the pressure at B,we find that

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Question 6

Air within the funnel of a large tornado may have a pressure of only 0.2 ATM.What is the approximate outward force on a (5 m × 10 m)wall if a tornado suddenly envelops the house? (1 ATM = 1.01 × 10⁵ N/m². )

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Question 7

A boat is floating in a small pond.The boat then sinks resting on the bottom,but the pond is so shallow that part of the boat is not submerged.What happens to the level of the pond?

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Question 8

A hydraulic lift raises a 2 000-kg automobile when a 500-N force is applied to the smaller piston.If the smaller piston has an area of 10 cm²,what is the cross-sectional area of the larger piston?

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Question 9

A dictator has built a bunker for his use in emergencies.Its dimensions are shown below.When it floods to ground level during a tropical storm,the gauge pressure at point A,in Pa,is

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Question 10

The pressure inside a commercial airliner is maintained at 1 ATM (1.01 × 10⁵ N/m²).What is the outward force exerted on a 1.0 m × 2.0 m cabin door if the outside pressure (at 10 km height)is 0.3 ATM?

(Multiple Choice)

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Question 11

A hose has been clamped so that the area at the clamp is only one quarter the area of the rest of the hose.When we ignore the viscosity of water,the ratio of the volume of water delivered per unit time when the clamp is on to the volume of water delivered per unit time without the clamp is

(Multiple Choice)

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Question 12

People can snorkel down to a depth of roughly one meter.This means that the additional pressure on the air in their lungs is roughly

(Multiple Choice)

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Question 13

A Boeing 737 airliner has a mass of 20 000 kg and the total area of both wings (top or bottom)is 100 m².What is the pressure difference between the top and bottom surface of each wing when the airplane is in flight at a constant altitude?

(Multiple Choice)

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Question 14

A large water storage container is filled to a depth of 3.0 m.The volume above the water is filled with air.In order to pump the water from the container,the air pressure in the container is increased by 3.0 10⁵ N/m².What happens to the pressure in the water at a depth of 1.0 m when the air pressure is increased?

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Question 15

The siphon shown is used to transfer liquid from a higher level to a lower level.If the fluid is drawn up and is continuous through the tube,determine the velocity of flow of gasoline if the vertical distance from the liquid surface to the outlet is 1.0 m.

(Multiple Choice)

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Question 16

An empty spice bottle has an inner volume of 1.31 × 10−⁴ m³.It has a mass of 112 g when filled with air,and it displaces 1.63 × 10−⁴ m³ of water when fully submerged.What fraction of the total volume of the bottle will be beneath the surface when it is placed in a tank of water?

(Multiple Choice)

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Question 17

Exhibit 14-1 A dictator has built a bunker for his use in emergencies.Its dimensions are shown below.When it floods to ground level during a tropical storm,air is trapped above the dashed line in the bunker. Use this exhibit to answer the following question(s). -Refer to Exhibit 14-1.The gauge pressure at point A,in Pa,is

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Question 18

The water level in identical bowls,A and B,is exactly the same.A contains only water;B contains floating ice as well as water.When we weigh the bowls,we find that

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Question 19

All people come very close to being able to float in water.What therefore is the volume (in cubic meters)of a 50-kg woman?

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Question 20

Showing 1 - 20 of 53

Exam 14: Fluid Mechanics

When water freezes,it expands about nine percent.What would be the pressure increase inside your automobile engine block if the water in there froze? The bulk modulus of ice is 2.0 × 109 N/m2,and 1 ATM = 1.01 × 105 N/m2.

Find the pressure in atmospheres in the water at the base of Dworshak Dam if the water in the reservoir is 200 meters deep.(1.01 × 105 N/m2 = 1 ATM. )

A wind of velocity 10 m/s is blowing through a wind generator with blade radius 5.00 meters.What is the maximum power output if 30.0% of the wind's energy can be extracted? ρair = 1.25 kg/m3.

A thin rectangular piece of wood floats in water.You slowly pour oil with a density equal to that of the wood on the surface of the water until the height of the oil above the water is twice the height of the piece of wood.Which statement is correct?

A fountain sends water to a height of 100 meters.What must be the pressurization (above atmospheric)of the water system? 1 ATM = 1.01 × 105 N/m2.

The figure below shows a container filled with water to the height shown.When we compare the pressure at A to the pressure at B,we find that

Air within the funnel of a large tornado may have a pressure of only 0.2 ATM.What is the approximate outward force on a (5 m × 10 m)wall if a tornado suddenly envelops the house? (1 ATM = 1.01 × 105 N/m2. )

A boat is floating in a small pond.The boat then sinks resting on the bottom,but the pond is so shallow that part of the boat is not submerged.What happens to the level of the pond?

A hydraulic lift raises a 2 000-kg automobile when a 500-N force is applied to the smaller piston.If the smaller piston has an area of 10 cm2,what is the cross-sectional area of the larger piston?

A dictator has built a bunker for his use in emergencies.Its dimensions are shown below.When it floods to ground level during a tropical storm,the gauge pressure at point A,in Pa,is

The pressure inside a commercial airliner is maintained at 1 ATM (1.01 × 105 N/m2).What is the outward force exerted on a 1.0 m × 2.0 m cabin door if the outside pressure (at 10 km height)is 0.3 ATM?

A hose has been clamped so that the area at the clamp is only one quarter the area of the rest of the hose.When we ignore the viscosity of water,the ratio of the volume of water delivered per unit time when the clamp is on to the volume of water delivered per unit time without the clamp is

People can snorkel down to a depth of roughly one meter.This means that the additional pressure on the air in their lungs is roughly

A Boeing 737 airliner has a mass of 20 000 kg and the total area of both wings (top or bottom)is 100 m2.What is the pressure difference between the top and bottom surface of each wing when the airplane is in flight at a constant altitude?

The siphon shown is used to transfer liquid from a higher level to a lower level.If the fluid is drawn up and is continuous through the tube,determine the velocity of flow of gasoline if the vertical distance from the liquid surface to the outlet is 1.0 m.

An empty spice bottle has an inner volume of 1.31 × 10−4 m3.It has a mass of 112 g when filled with air,and it displaces 1.63 × 10−4 m3 of water when fully submerged.What fraction of the total volume of the bottle will be beneath the surface when it is placed in a tank of water?

The water level in identical bowls,A and B,is exactly the same.A contains only water;B contains floating ice as well as water.When we weigh the bowls,we find that

All people come very close to being able to float in water.What therefore is the volume (in cubic meters)of a 50-kg woman?

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When water freezes,it expands about nine percent.What would be the pressure increase inside your automobile engine block if the water in there froze? The bulk modulus of ice is 2.0 × 10⁹ N/m²,and 1 ATM = 1.01 × 10⁵ N/m².

Find the pressure in atmospheres in the water at the base of Dworshak Dam if the water in the reservoir is 200 meters deep.(1.01 × 10⁵ N/m² = 1 ATM. )

A wind of velocity 10 m/s is blowing through a wind generator with blade radius 5.00 meters.What is the maximum power output if 30.0% of the wind's energy can be extracted? ρ_air = 1.25 kg/m³.

A fountain sends water to a height of 100 meters.What must be the pressurization (above atmospheric)of the water system? 1 ATM = 1.01 × 10⁵ N/m².

Air within the funnel of a large tornado may have a pressure of only 0.2 ATM.What is the approximate outward force on a (5 m × 10 m)wall if a tornado suddenly envelops the house? (1 ATM = 1.01 × 10⁵ N/m². )

A hydraulic lift raises a 2 000-kg automobile when a 500-N force is applied to the smaller piston.If the smaller piston has an area of 10 cm²,what is the cross-sectional area of the larger piston?

The pressure inside a commercial airliner is maintained at 1 ATM (1.01 × 10⁵ N/m²).What is the outward force exerted on a 1.0 m × 2.0 m cabin door if the outside pressure (at 10 km height)is 0.3 ATM?

A Boeing 737 airliner has a mass of 20 000 kg and the total area of both wings (top or bottom)is 100 m².What is the pressure difference between the top and bottom surface of each wing when the airplane is in flight at a constant altitude?

An empty spice bottle has an inner volume of 1.31 × 10−⁴ m³.It has a mass of 112 g when filled with air,and it displaces 1.63 × 10−⁴ m³ of water when fully submerged.What fraction of the total volume of the bottle will be beneath the surface when it is placed in a tank of water?