Exam 11: Fluids

The density of the liquid flowing through the horizontal pipe in the drawing is 1200 kg/m³.The speed of the fluid at point A is 7.5 m/s while at point B it is 11 m/s.What is the difference in pressure,P_B - P_A,between points B and A?

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Question 1

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A pirate's treasure chest lies 20.0 m below the surface of the ocean.What is the magnitude of the force that acts on the rectangular top that is 0.750 m × 0.425 m?

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Question 2

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Complete the following sentence: The operation of a hydraulic jack is an application of

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Question 3

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Which law,principle,or equation can be used to determine the volume flow rate of a liquid that is forced through a hypodermic needle?

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Question 4

Which one of the following statements concerning a completely enclosed fluid is true?

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Question 5

What mass of water (at 4.0 °C)can be contained in a rectangular box whose dimensions are 10.0 cm by 5.00 cm by 1.00 cm? The density of water at 4.0 °C is 1.000 × 10³ kg/m³.

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Question 6

The two dams are identical with the exception that the water reservoir behind dam A extends twice the horizontal distance behind it as that of dam B.Which one of the following statements regarding these dams is correct?

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Question 7

An in-ground swimming pool has the dimensions shown in the drawing.It is filled with water to a uniform depth of 3.00 m. The density of water = 1.00 × 10³ kg/m³. -What is the total force exerted on the bottom of the swimming pool?

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Question 8

A balloon is released from a tall building.The total mass of the balloon including the enclosed gas is 2.0 kg.Its volume is 5.0 m³.The density of air is 1.3 kg/m³. -What is the magnitude of the initial acceleration of the balloon?

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Question 9

A glass tube has several different cross-sectional areas with the values indicated in the figure.A piston at the left end of the tube exerts pressure so that mercury within the tube flows from the right end with a speed of 8.0 m/s.Three points within the tube are labeled A,B,and C. Notes: The drawing is not drawn to scale. Atmospheric pressure is 1.01 × 10⁵ N/m²;and the density of mercury is 13 600 kg/m³. -At what speed is mercury flowing past the point labeled B?

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Question 10

Water flows through a pipe of diameter 8.0 cm with a speed of 10.0 m/s.It then enters a smaller pipe of diameter 3.0 cm.What is the speed of the water as it flows through the smaller pipe?

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Question 11

An ice cube, = 917 kg/m³,is sliding down a frictionless incline as shown in the drawing.The sides of the cube each have a length of 0.75 m.What pressure does the cube exert on the incline?

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Question 12

A balloon is released from a tall building.The total mass of the balloon including the enclosed gas is 2.0 kg.Its volume is 5.0 m³.The density of air is 1.3 kg/m³. -What is the average density of the balloon?

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Question 13

A u-shaped tube is connected to a flexible tube that has a membrane-covered funnel on the opposite end as shown in the drawing.Justin finds that no matter which way he orients to membrane,the height of the liquid in the u-shaped tube does not change.Which of the following choices best describes this behavior?

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Question 14

A glass tube has several different cross-sectional areas with the values indicated in the figure.A piston at the left end of the tube exerts pressure so that mercury within the tube flows from the right end with a speed of 8.0 m/s.Three points within the tube are labeled A,B,and C. Notes: The drawing is not drawn to scale. Atmospheric pressure is 1.01 × 10⁵ N/m²;and the density of mercury is 13 600 kg/m³. -What is the total pressure at point B?

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Question 15

Complete the following statement: Bernoulli's principle is a statement of

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Question 16

A 2-kg block displaces 10 kg of water when it is held fully immersed.The object is then tied down as shown in the figure;and it displaces 5 kg of water.What is the tension in the string?

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Question 17

The density of gold is 19 300 kg/m³.What is the mass of a gold sphere whose diameter is 0.25 m?

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Question 18

A glass tube has several different cross-sectional areas with the values indicated in the figure.A piston at the left end of the tube exerts pressure so that mercury within the tube flows from the right end with a speed of 8.0 m/s.Three points within the tube are labeled A,B,and C. Notes: The drawing is not drawn to scale. Atmospheric pressure is 1.01 × 10⁵ N/m²;and the density of mercury is 13 600 kg/m³. -Determine the height h of mercury in the manometer with the evacuated upper end.

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Question 19

Which one of the following statements is false concerning the derivation or usage of Bernoulli's equation?

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Question 20

Showing 1 - 20 of 65

The density of the liquid flowing through the horizontal pipe in the drawing is 1200 kg/m³.The speed of the fluid at point A is 7.5 m/s while at point B it is 11 m/s.What is the difference in pressure,P_B - P_A,between points B and A?

A pirate's treasure chest lies 20.0 m below the surface of the ocean.What is the magnitude of the force that acts on the rectangular top that is 0.750 m × 0.425 m?

Complete the following sentence: The operation of a hydraulic jack is an application of

Which law,principle,or equation can be used to determine the volume flow rate of a liquid that is forced through a hypodermic needle?

Which one of the following statements concerning a completely enclosed fluid is true?

What mass of water (at 4.0 °C)can be contained in a rectangular box whose dimensions are 10.0 cm by 5.00 cm by 1.00 cm? The density of water at 4.0 °C is 1.000 × 10³ kg/m³.

The two dams are identical with the exception that the water reservoir behind dam A extends twice the horizontal distance behind it as that of dam B.Which one of the following statements regarding these dams is correct?

An in-ground swimming pool has the dimensions shown in the drawing.It is filled with water to a uniform depth of 3.00 m. The density of water = 1.00 × 10³ kg/m³. -What is the total force exerted on the bottom of the swimming pool?

A balloon is released from a tall building.The total mass of the balloon including the enclosed gas is 2.0 kg.Its volume is 5.0 m³.The density of air is 1.3 kg/m³. -What is the magnitude of the initial acceleration of the balloon?

Water flows through a pipe of diameter 8.0 cm with a speed of 10.0 m/s.It then enters a smaller pipe of diameter 3.0 cm.What is the speed of the water as it flows through the smaller pipe?

An ice cube, = 917 kg/m³,is sliding down a frictionless incline as shown in the drawing.The sides of the cube each have a length of 0.75 m.What pressure does the cube exert on the incline?

A balloon is released from a tall building.The total mass of the balloon including the enclosed gas is 2.0 kg.Its volume is 5.0 m³.The density of air is 1.3 kg/m³. -What is the average density of the balloon?

Complete the following statement: Bernoulli's principle is a statement of

A 2-kg block displaces 10 kg of water when it is held fully immersed.The object is then tied down as shown in the figure;and it displaces 5 kg of water.What is the tension in the string?

The density of gold is 19 300 kg/m³.What is the mass of a gold sphere whose diameter is 0.25 m?

Which one of the following statements is false concerning the derivation or usage of Bernoulli's equation?

The Transfer of Heat

The Ideal Gas Law and Kinetic Theory

Thermodynamics

The Principle of Linear Superposition and Interference Phenomena

Electric Circuits

Electromagnetic Induction

The Refl Ection of Light: Mirrors

The Refraction of Light: Lenses and Optical Instruments

Particles and Waves

Filters

Exam 11: Fluids

The density of the liquid flowing through the horizontal pipe in the drawing is 1200 kg/m³.The speed of the fluid at point A is 7.5 m/s while at point B it is 11 m/s.What is the difference in pressure,PB - PA,between points B and A?

A pirate's treasure chest lies 20.0 m below the surface of the ocean.What is the magnitude of the force that acts on the rectangular top that is 0.750 m × 0.425 m?

Complete the following sentence: The operation of a hydraulic jack is an application of

Which law,principle,or equation can be used to determine the volume flow rate of a liquid that is forced through a hypodermic needle?

Which one of the following statements concerning a completely enclosed fluid is true?

What mass of water (at 4.0 °C)can be contained in a rectangular box whose dimensions are 10.0 cm by 5.00 cm by 1.00 cm? The density of water at 4.0 °C is 1.000 × 10³ kg/m³.

The two dams are identical with the exception that the water reservoir behind dam A extends twice the horizontal distance behind it as that of dam B.Which one of the following statements regarding these dams is correct?

An in-ground swimming pool has the dimensions shown in the drawing.It is filled with water to a uniform depth of 3.00 m. The density of water = 1.00 × 10³ kg/m³. -What is the total force exerted on the bottom of the swimming pool?

A balloon is released from a tall building.The total mass of the balloon including the enclosed gas is 2.0 kg.Its volume is 5.0 m³.The density of air is 1.3 kg/m³. -What is the magnitude of the initial acceleration of the balloon?

Water flows through a pipe of diameter 8.0 cm with a speed of 10.0 m/s.It then enters a smaller pipe of diameter 3.0 cm.What is the speed of the water as it flows through the smaller pipe?

An ice cube, = 917 kg/m³,is sliding down a frictionless incline as shown in the drawing.The sides of the cube each have a length of 0.75 m.What pressure does the cube exert on the incline?

A balloon is released from a tall building.The total mass of the balloon including the enclosed gas is 2.0 kg.Its volume is 5.0 m³.The density of air is 1.3 kg/m³. -What is the average density of the balloon?

Complete the following statement: Bernoulli's principle is a statement of

A 2-kg block displaces 10 kg of water when it is held fully immersed.The object is then tied down as shown in the figure;and it displaces 5 kg of water.What is the tension in the string?

The density of gold is 19 300 kg/m³.What is the mass of a gold sphere whose diameter is 0.25 m?

Which one of the following statements is false concerning the derivation or usage of Bernoulli's equation?

The Transfer of Heat

The Ideal Gas Law and Kinetic Theory

Thermodynamics

The Principle of Linear Superposition and Interference Phenomena

Electric Circuits

Electromagnetic Induction

The Refl Ection of Light: Mirrors

The Refraction of Light: Lenses and Optical Instruments

Particles and Waves

Filters

The density of the liquid flowing through the horizontal pipe in the drawing is 1200 kg/m³.The speed of the fluid at point A is 7.5 m/s while at point B it is 11 m/s.What is the difference in pressure,P_B - P_A,between points B and A?