A reading of a tire gauge tells you that the gauge pressure in a tire is 34 lb/in2.What is the absolute pressure in the tire? Assume that atmospheric pressure is 14 lb/in2.

A) 20 lb/in2 B) 62 lb/in2 C) 48 lb/in2 D) You can't be sure since you may have nitrogen-filled tires. A) 20 lb/in2 B) 62 lb/in2 C) 48 lb/in2 D) You can't be sure since you may have nitrogen-filled tires.

The pressure inside a commercial airliner is maintained at 1.00 atm (105 Pa).What is the net outward force exerted on a 1.0 m × 2.0 m cabin door if the outside pressure is 0.40 atm?

A) 120,000 N B) 12,000 N C) 1200 N D) 120 N A) 120,000 N B) 12,000 N C) 1200 N D) 120 N

A stonecutter's chisel has an edge area of 0.40 cm2.If the chisel is struck with a force of 45 N,what is the pressure exerted on the stone?

A) 1.1 × 106 Pa B) 1.1 × 105 Pa C) 5.5 × 104 Pa D) 1.1 × 103 Pa A) 1.1 × 106 Pa B) 1.1 × 105 Pa C) 5.5 × 104 Pa D) 1.1 × 103 Pa

Exam 10: Thermal Physics: Part A

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A centrifuge rotates at 100 rev/s (i.e. ,628 rad/s).If the test tube places the suspension at 10 cm from the axis of rotation,by what factor are the terminal speeds of the settling particles increased as compared to sedimentation cause by gravity?

(Multiple Choice)

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Question 41

An ideal fluid flows through a pipe made of two sections with diameters of 1.0 and 2.0 inches,respectively.The speed of the fluid flow through the 2.0-inch section will be what factor times that through the 1.0-inch section?

(Multiple Choice)

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Question 42

A Venturi tube may be used as the inlet to an automobile carburetor.If the inlet pipe of 2.0-cm diameter narrows to 1.0-cm diameter,what is the pressure drop in the constricted section for airflow of 4.0 m/s in the 2-cm section? (Assume air density is 1.25 kg/m³. )

(Multiple Choice)

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Question 43

A block of wood has density 0.50 g/cm³ and mass 2250g.It floats in a container of oil (the oil's density is 0.75 g/cm³).What volume of oil does the wood displace?

(Multiple Choice)

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Question 44

A ping-pong ball has an average density of 0.140 g/cm³ and a diameter of 3.80 cm.What force would be required to keep the ball completely submerged under water?

(Multiple Choice)

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Question 45

Water pressurized to 4 × 10⁵ Pa is flowing at 5.0 m/s in a pipe which contracts to 1/3 of its former area.What are the pressure and speed of the water after the contraction? (density of water = 1 × 10³ kg/m³)

(Multiple Choice)

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Question 46

A reading of a tire gauge tells you that the gauge pressure in a tire is 34 lb/in².What is the absolute pressure in the tire? Assume that atmospheric pressure is 14 lb/in².

(Multiple Choice)

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Question 47

Water (density = 1 × 10³ kg/m³)flows at 10 m/s through a pipe with radius 0.040 m.The pipe goes up to the second floor of the building,2.0 m higher,and the pressure remains unchanged.What is the radius of the pipe on the second floor?

(Multiple Choice)

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Question 48

The Garfield Thomas water tunnel at Pennsylvania State University has a circular cross-section that constricts from a diameter of 3.6 m to the test section,which is 1.2 m in diameter.If the speed of flow is 2.0 m/s in the large-diameter pipe,determine the speed of flow in the test section.

(Multiple Choice)

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Question 49

The fluid to which Bernoulli's equation is applied is based on what being conserved for the fluid?

(Multiple Choice)

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Question 50

How much air must be pushed downward at 60.0 m/s to keep an 800-kg helicopter aloft?

(Multiple Choice)

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Question 51

The pressure inside a commercial airliner is maintained at 1.00 atm (10⁵ Pa).What is the net outward force exerted on a 1.0 m × 2.0 m cabin door if the outside pressure is 0.40 atm?

(Multiple Choice)

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Question 52

The equation of continuity applied to an incompressible ideal fluid flowing through a pipe of varying diameter is based on what of the following being conserved for the fluid in the pipe?

(Multiple Choice)

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Question 53

A stonecutter's chisel has an edge area of 0.40 cm².If the chisel is struck with a force of 45 N,what is the pressure exerted on the stone?

(Multiple Choice)

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Question 54

A pipe of diameter 4 cm is replaced by one of the same length but of diameter 5 cm.If the pressure difference between the ends of the pipe remains the same,by what factor is the rate of flow of a viscous liquid through it changed?

(Multiple Choice)

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Question 55

How much power is theoretically available from a mass flow of 1000 kg/s of water that falls a vertical distance of 50 m?

(Multiple Choice)

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Question 56

Showing 41 - 56 of 56

Exam 10: Thermal Physics: Part A

A centrifuge rotates at 100 rev/s (i.e. ,628 rad/s).If the test tube places the suspension at 10 cm from the axis of rotation,by what factor are the terminal speeds of the settling particles increased as compared to sedimentation cause by gravity?

An ideal fluid flows through a pipe made of two sections with diameters of 1.0 and 2.0 inches,respectively.The speed of the fluid flow through the 2.0-inch section will be what factor times that through the 1.0-inch section?

A Venturi tube may be used as the inlet to an automobile carburetor.If the inlet pipe of 2.0-cm diameter narrows to 1.0-cm diameter,what is the pressure drop in the constricted section for airflow of 4.0 m/s in the 2-cm section? (Assume air density is 1.25 kg/m3. )

A block of wood has density 0.50 g/cm3 and mass 2250g.It floats in a container of oil (the oil's density is 0.75 g/cm3).What volume of oil does the wood displace?

A ping-pong ball has an average density of 0.140 g/cm3 and a diameter of 3.80 cm.What force would be required to keep the ball completely submerged under water?

Water pressurized to 4 × 105 Pa is flowing at 5.0 m/s in a pipe which contracts to 1/3 of its former area.What are the pressure and speed of the water after the contraction? (density of water = 1 × 103 kg/m3)

A reading of a tire gauge tells you that the gauge pressure in a tire is 34 lb/in​2.What is the absolute pressure in the tire? Assume that atmospheric pressure is 14 lb/in​2.

Water (density = 1 × 103 kg/m3)flows at 10 m/s through a pipe with radius 0.040 m.The pipe goes up to the second floor of the building,2.0 m higher,and the pressure remains unchanged.What is the radius of the pipe on the second floor?

The Garfield Thomas water tunnel at Pennsylvania State University has a circular cross-section that constricts from a diameter of 3.6 m to the test section,which is 1.2 m in diameter.If the speed of flow is 2.0 m/s in the large-diameter pipe,determine the speed of flow in the test section.

The fluid to which Bernoulli's equation is applied is based on what being conserved for the fluid?

How much air must be pushed downward at 60.0 m/s to keep an 800-kg helicopter aloft?

The pressure inside a commercial airliner is maintained at 1.00 atm (105 Pa).What is the net outward force exerted on a 1.0 m × 2.0 m cabin door if the outside pressure is 0.40 atm?

The equation of continuity applied to an incompressible ideal fluid flowing through a pipe of varying diameter is based on what of the following being conserved for the fluid in the pipe?

A stonecutter's chisel has an edge area of 0.40 cm2.If the chisel is struck with a force of 45 N,what is the pressure exerted on the stone?

A pipe of diameter 4 cm is replaced by one of the same length but of diameter 5 cm.If the pressure difference between the ends of the pipe remains the same,by what factor is the rate of flow of a viscous liquid through it changed?

How much power is theoretically available from a mass flow of 1000 kg/s of water that falls a vertical distance of 50 m?

Introduction

Introduction: Part A

Motion in One Dimension

Motion in One Dimension: Part A

Vectors and Two-Dimensional Motion

Vectors and Two-Dimensional Motion: Part A

The Laws of Motion

The Laws of Motion: Part A

Energy

Energy: Part A

Momentum and Collisions

Momentum and Collisions: Part A

Rotational Motion and the Law of Gravity

Rotational Motion and the Law of Gravity: Part A

Rotational Equilibrium and Rotational Dynamics

Rotational Equilibrium and Rotational Dynamics: Part A

Solids and Fluids

Solids and Fluids: Part A

Thermal Physics

Energy in Thermal Processes Heat and Internal Energy

Energy in Thermal Processes Heat and Internal Energy: Part A

The Laws of Thermodynamics Work in Thermodynamic Processes

The Laws of Thermodynamics Work in Thermodynamic Processes: Part A

Vibrations and Waves

Vibrations and Waves: Part A

Sound

Sound: Part A

Electric Forces and Electric Fields

Electric Forces and Electric Fields: Part A

Electrical Energy and Capacitance

Electrical Energy and Capacitance: Part A

Current and Resistance Electric Current

Current and Resistance Electric Current: Part A

Direct-Current Circuits Sources of EMF

Direct-Current Circuits Sources of EMF: Part A

Magnetism Magnets

Magnetism Magnets: Part A

Induced Voltages and Inductance

Induced Voltages and Inductance: Part A

Alternating-Current Circuits and Electromagnetic Waves

Alternating-Current Circuits and Electromagnetic Waves: Part A

Reflection and Refraction of Light

Reflection and Refraction of Light: Part A

Mirrors and Lenses

Mirrors and Lenses: Part A

Wave Optics

Wave Optics: Part A

Optical Instruments

Optical Instruments: Part A

Relativity

Relativity: Part A

Quantum Physics Blackbody Radiation and Plancks Hypothesis

Quantum Physics Blackbody Radiation and Plancks Hypothesis: Part A

Atomic Physics

Atomic Physics: Part A

Nuclear Physics

Nuclear Physics: Part A

Nuclear Energy and Elementary Particles

Nuclear Energy and Elementary Particles: Part A

Particle Collisions, Mediating Photons, and Quark Structures: Exploring the Fundamentals of Physics

Filters

A Venturi tube may be used as the inlet to an automobile carburetor.If the inlet pipe of 2.0-cm diameter narrows to 1.0-cm diameter,what is the pressure drop in the constricted section for airflow of 4.0 m/s in the 2-cm section? (Assume air density is 1.25 kg/m³. )

A block of wood has density 0.50 g/cm³ and mass 2250g.It floats in a container of oil (the oil's density is 0.75 g/cm³).What volume of oil does the wood displace?

A ping-pong ball has an average density of 0.140 g/cm³ and a diameter of 3.80 cm.What force would be required to keep the ball completely submerged under water?

Water pressurized to 4 × 10⁵ Pa is flowing at 5.0 m/s in a pipe which contracts to 1/3 of its former area.What are the pressure and speed of the water after the contraction? (density of water = 1 × 10³ kg/m³)

A reading of a tire gauge tells you that the gauge pressure in a tire is 34 lb/in².What is the absolute pressure in the tire? Assume that atmospheric pressure is 14 lb/in².

Water (density = 1 × 10³ kg/m³)flows at 10 m/s through a pipe with radius 0.040 m.The pipe goes up to the second floor of the building,2.0 m higher,and the pressure remains unchanged.What is the radius of the pipe on the second floor?

The pressure inside a commercial airliner is maintained at 1.00 atm (10⁵ Pa).What is the net outward force exerted on a 1.0 m × 2.0 m cabin door if the outside pressure is 0.40 atm?

A stonecutter's chisel has an edge area of 0.40 cm².If the chisel is struck with a force of 45 N,what is the pressure exerted on the stone?