At standard temperature and pressure, carbon dioxide has a density of 1.98 kg/m3. What volume does 1.70 kg of carbon dioxide occupy at standard temperature and pressure?

A) 0.43 m3 B) 0.86 m3 C) 1.7 m3 D) 2.3 m3 E) 4.8 m3 A) 0.43 m3 B) 0.86 m3 C) 1.7 m3 D) 2.3 m3 E) 4.8 m3

The density of ice is 0.92 g/cm3; and the density of seawater is 1.03 g/cm3. A large iceberg floats in Arctic waters. What fraction of the volume of the iceberg is exposed?

A) 0.080 % B) 11 % C) 89 % D) 92 % E) 99 % A) 0.080 % B) 11 % C) 89 % D) 92 % E) 99 %

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 mS1U1P13S1S1P0. The density of air is 1.3 kg/mS1U1P13S1S1P0. -What is the magnitude of the initial acceleration of the balloon?

A) zero m/s2 B) 9.8 m/s2 C) 10.9 m/s2 D) 22.1 m/s2 E) 43.6 m/s2 A) zero m/s2 B) 9.8 m/s2 C) 10.9 m/s2 D) 22.1 m/s2 E) 43.6 m/s2

The average density of the material in intergalactic space is approximately 2.5 × 10-27 kg/m3. What is the volume of a lead sample, $\rho$ = 11 300 kg/m3, that has the same mass as 8.0 × 1024 m3 of intergalactic space?

A) 1.0 × 10-6 m3 B) 2.2 × 10-5 m3 C) 5.4 × 10-6 m3 D) 3.6 × 10-5 m3 E) 1.8 × 10-6 m3 A) 1.0 × 10-6 m3 B) 2.2 × 10-5 m3 C) 5.4 × 10-6 m3 D) 3.6 × 10-5 m3 E) 1.8 × 10-6 m3

Within a certain type of star called a neutron star, the material at the center has a mass density of 1.0 × 1018 kg/m3. If a tiny sphere of this material of radius 1.0 × 10-5 m were somehow transported to the surface of the earth, what would be the weight of this sphere?

A) 1000 N B) 4200 N C) 4.1 × 104 N D) 7.0 × 104 N E) 3.8 × 109 N A) 1000 N B) 4200 N C) 4.1 × 104 N D) 7.0 × 104 N E) 3.8 × 109 N

Exam 11: Fluids

A column of oil of height 70.0 cm supports a column of an unknown liquid as suggested in the figure (not drawn to scale). Assume that both liquids are at rest and that the density of the oil is 840 kg/m³. Determine the density of the unknown liquid.

(Multiple Choice)

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Question 41

When a block of volume 1.00 × 10^-³ m³ is hung from a spring scale as shown in Figure A, the scale reads 10.0 N. When the same block is then placed in an unknown liquid, it floats with 2/3 of its volume submerged as suggested in Figure B. The density of water is 1.00 × 10³ kg/m³. -Determine the density of the unknown liquid.

(Multiple Choice)

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Question 42

Oil ( $\rho$ = 925 kg/m³) is flowing through a pipeline at a constant speed when it encounters a vertical bend in the pipe raising it 4.0 m. The cross sectional area of the pipe does not change. What is the difference in pressure (P_B- P_A) in the portions of the pipe before and after the rise? $Oil ( \rho = 925 kg/m3) is flowing through a pipeline at a constant speed when it encounters a vertical bend in the pipe raising it 4.0 m. The cross sectional area of the pipe does not change. What is the difference in pressure (PB - PA) in the portions of the pipe before and after the rise?$

(Multiple Choice)

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Question 43

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

(Multiple Choice)

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Question 44

A woman is enjoying a tropical drink while lying on a beach. The acceleration due to gravity at her location is 9.78 m/s². What gauge pressure must exist in the woman's mouth if she is drinking through a straw extending 0.075 m above the surface of the drink? Note: Assume the drink has a density of 1020 kg/m³.

(Multiple Choice)

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Question 45

Which one of the following statements concerning streamline flow is true?

(Multiple Choice)

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Question 46

Selena uses a garden hose to fill a bucket of water. The water enters the hose through a faucet with a 6.0-cm diameter. The speed of the water at the faucet is 5 m/s. If the faucet and the nozzle are at the same height, and the water leaves the nozzle with a speed of 20 m/s, what is the diameter of the nozzle?

(Multiple Choice)

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Question 47

At standard temperature and pressure, carbon dioxide has a density of 1.98 kg/m³. What volume does 1.70 kg of carbon dioxide occupy at standard temperature and pressure?

(Multiple Choice)

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Question 48

When a block of volume 1.00 × 10^-³ m³ is hung from a spring scale as shown in Figure A, the scale reads 10.0 N. When the same block is then placed in an unknown liquid, it floats with 2/3 of its volume submerged as suggested in Figure B. The density of water is 1.00 × 10³ kg/m³. -Determine the mass of the block.

(Multiple Choice)

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Question 49

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?

(Multiple Choice)

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Question 50

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.

(Multiple Choice)

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Question 51

How much force does the atmosphere exert on one side of a vertical wall 4.00-m high and 10.0-m long?

(Multiple Choice)

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Question 52

Which one of the following statements concerning fluid streamlines is true?

(Multiple Choice)

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Question 53

The density of ice is 0.92 g/cm³; and the density of seawater is 1.03 g/cm³. A large iceberg floats in Arctic waters. What fraction of the volume of the iceberg is exposed?

(Multiple Choice)

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Question 54

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?

(Multiple Choice)

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Question 55

The average density of the material in intergalactic space is approximately 2.5 × 10^-²⁷ kg/m³. What is the volume of a lead sample, $\rho$ = 11 300 kg/m³, that has the same mass as 8.0 × 10²⁴ m³ of intergalactic space?

(Multiple Choice)

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Question 56

In a classroom demonstration, a 79.2-kg physics professor lies on a "bed of nails." The bed consists of a large number of evenly spaced, relatively sharp nails mounted in a board so that the points extend vertically outward from the board. While the professor is lying down, approximately 1950 nails make contact with his body. -What is the average force exerted by each nail on the professor's body?

(Multiple Choice)

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Question 57

Within a certain type of star called a neutron star, the material at the center has a mass density of 1.0 × 10¹⁸ kg/m³. If a tiny sphere of this material of radius 1.0 × 10^-⁵ m were somehow transported to the surface of the earth, what would be the weight of this sphere?

(Multiple Choice)

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Question 58

A force of 250 N is applied to a hydraulic jack piston that is 0.02 m in diameter. If the piston that supports the load has a diameter of 0.15 m, approximately how much mass can be lifted by the jack? Ignore any difference in height between the pistons.

(Multiple Choice)

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Question 59

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. -At what speed is mercury flowing past the point labeled B?

(Multiple Choice)

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Question 60

Showing 41 - 60 of 65

Exam 11: Fluids

A column of oil of height 70.0 cm supports a column of an unknown liquid as suggested in the figure (not drawn to scale). Assume that both liquids are at rest and that the density of the oil is 840 kg/m3. Determine the density of the unknown liquid.

Oil ( ρ\rhoρ = 925 kg/m3) is flowing through a pipeline at a constant speed when it encounters a vertical bend in the pipe raising it 4.0 m. The cross sectional area of the pipe does not change. What is the difference in pressure (PB - PA) in the portions of the pipe before and after the rise?

An ice cube, ρ\rhoρ = 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?

Which one of the following statements concerning streamline flow is true?

At standard temperature and pressure, carbon dioxide has a density of 1.98 kg/m3. What volume does 1.70 kg of carbon dioxide occupy at standard temperature and pressure?

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.

How much force does the atmosphere exert on one side of a vertical wall 4.00-m high and 10.0-m long?

Which one of the following statements concerning fluid streamlines is true?

The density of ice is 0.92 g/cm3; and the density of seawater is 1.03 g/cm3. A large iceberg floats in Arctic waters. What fraction of the volume of the iceberg is exposed?

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?

The average density of the material in intergalactic space is approximately 2.5 × 10-27 kg/m3. What is the volume of a lead sample, ρ\rhoρ = 11 300 kg/m3, that has the same mass as 8.0 × 1024 m3 of intergalactic space?

Within a certain type of star called a neutron star, the material at the center has a mass density of 1.0 × 1018 kg/m3. If a tiny sphere of this material of radius 1.0 × 10-5 m were somehow transported to the surface of the earth, what would be the weight of this sphere?

A force of 250 N is applied to a hydraulic jack piston that is 0.02 m in diameter. If the piston that supports the load has a diameter of 0.15 m, approximately how much mass can be lifted by the jack? Ignore any difference in height between the pistons.

Introduction and Mathematical Concepts

Kinematics in One Dimension

Kinematics in Two Dimensions

Forces and Newtons Laws of Motion

Dynamics of Uniform Circular Motion

Work and Energy

Impulse and Momentum

Rotational Kinematics

Rotational Dynamics

Simple Harmonic Motion and Elasticity

Temperature and Heat

The Transfer of Heat

The Ideal Gas Law and Kinetic Theory

Thermodynamics

Waves and Sound

The Principle of Linear Superposition and Interference Phenomena

Electric Forces and Electric Fields

Electric Potential Energy and the Electric Potential

Electric Circuits

Magnetic Forces and Magnetic Fields

Electromagnetic Induction

Alternating Current Circuits

Electromagnetic Waves

The Refl Ection of Light: Mirrors

The Refraction of Light: Lenses and Optical Instruments

Interference and the Wave Nature of Light

Special Relativity

Particles and Waves

The Nature of the Atom

Nuclear Physics and Radioactivity

Ionizing Radiation, Nuclear Energy, and Elementary Particles

Filters

A column of oil of height 70.0 cm supports a column of an unknown liquid as suggested in the figure (not drawn to scale). Assume that both liquids are at rest and that the density of the oil is 840 kg/m³. Determine the density of the unknown liquid.

At standard temperature and pressure, carbon dioxide has a density of 1.98 kg/m³. What volume does 1.70 kg of carbon dioxide occupy at standard temperature and pressure?

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 density of ice is 0.92 g/cm³; and the density of seawater is 1.03 g/cm³. A large iceberg floats in Arctic waters. What fraction of the volume of the iceberg is exposed?

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?

The average density of the material in intergalactic space is approximately 2.5 × 10^-²⁷ kg/m³. What is the volume of a lead sample, $\rho$ = 11 300 kg/m³, that has the same mass as 8.0 × 10²⁴ m³ of intergalactic space?

Within a certain type of star called a neutron star, the material at the center has a mass density of 1.0 × 10¹⁸ kg/m³. If a tiny sphere of this material of radius 1.0 × 10^-⁵ m were somehow transported to the surface of the earth, what would be the weight of this sphere?