Evaluate: (4)0 $\times$ 10-6)(3.0 $\times$ 104)

A) 12 $\times$ 1010 B) 1.2 $\times$ 10-10 C) 12 $\times$ 10-5 D) 1.2 $\times$ 10-1 E) 12 $\times$ 10-10 A) 12 $\times$ 1010 B) 1.2 $\times$ 10-10 C) 12 $\times$ 10-5 D) 1.2 $\times$ 10-1 E) 12 $\times$ 10-10

What angle does the vector make with the positive z axis?

A) 55.5º B) 45.0º C) 64.9º D) 34.5º E) 25.1º A) 55.5º B) 45.0º C) 64.9º D) 34.5º E) 25.1º

Exam 1: Systems of Measurement

Light travels at 3 $\times$ 10⁸ m/s, and it takes about 8 min for light from the sun to travel to Earth. Based on this, the order of magnitude of the distance from the sun to Earth is

(Multiple Choice)

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Question 61

A car proceeding due south at 60 km/h ( ₁) makes a right turn, after which it is traveling due west at 80 km/h ( ₂). What is its change in velocity ( ₂ - ₁)?

(Multiple Choice)

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Question 62

Vector has components A_x = +4.0 units and A_y = +3.2 units, whereas vector has components B_x = +2.5 units and B_y = +5.5 units. The angle between the two vectors is

(Multiple Choice)

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Question 63

Evaluate: (4)0 $\times$ 10^-6)(3.0 $\times$ 10⁴)

(Multiple Choice)

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Question 64

Which of the following prefixes does NOT represent a fractional part of a whole unit?

(Multiple Choice)

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Question 65

Three vectors have the following x and y components: The angle that the resultant makes with the positive direction of the x axis is

(Multiple Choice)

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Question 66

The prefix "giga" means

(Multiple Choice)

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Question 67

What angle does the vector 1 make with the positive z axis?

(Multiple Choice)

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Question 68

The number of seconds in a month is of the order of

(Multiple Choice)

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Question 69

Which of the following represents a value of current measured to at least five significant figures?

(Multiple Choice)

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Question 70

The momentum of a body is defined to be the product of its mass and its velocity. If the mass of an air-track glider is known to be 225 g and its velocity is measured to be 3.1 cm/s, its momentum should be reported as

(Multiple Choice)

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Question 71

Which of the following is a fundamental unit of the SI system of units?

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Question 72

In Newton's Law of Gravity the universal gravitational constant G = Fr²/m₁m₂, where F is the gravitational force between the two masses, m₁ and m₂, and r is the distance between them. What are the dimensions of G?

(Multiple Choice)

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Question 73

Which of the following vector equations correctly describes the relationship among the vectors shown in the figure?

(Multiple Choice)

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Question 74

To convert a quantity from m/s to km/h, you must

(Multiple Choice)

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Question 75

What is the least number of non-zero vectors that can be added to give a resultant equal to zero?

(Multiple Choice)

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Question 76

If you have a music CD collection of about 150 discs, estimate the order of magnitude of the number of heartbeats you would have if you listened all the way through your collection.

(Multiple Choice)

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Question 77

Estimate the number of raindrops needed to fill a volume of 1m $\times$ 1m $\times$ 1cm.

(Multiple Choice)

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Question 78

The vector in the figure that could represent the vector - is

(Multiple Choice)

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Question 79

The chemical agent dioxin can be toxic or hazardous to humans in concentrations as small as one part per billion. If I am testing a soil sample that has a mass of 1.0 kg, how much dioxin would have to be present for me to label it toxic or hazardous?

(Multiple Choice)

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Question 80

Showing 61 - 80 of 86

Light travels at 3 $\times$ 10⁸ m/s, and it takes about 8 min for light from the sun to travel to Earth. Based on this, the order of magnitude of the distance from the sun to Earth is

A car proceeding due south at 60 km/h ( ₁) makes a right turn, after which it is traveling due west at 80 km/h ( ₂). What is its change in velocity ( ₂ - ₁)?

Vector has components A_x = +4.0 units and A_y = +3.2 units, whereas vector has components B_x = +2.5 units and B_y = +5.5 units. The angle between the two vectors is

Evaluate: (4)0 $\times$ 10^-6)(3.0 $\times$ 10⁴)

Which of the following prefixes does NOT represent a fractional part of a whole unit?

Three vectors have the following x and y components: The angle that the resultant makes with the positive direction of the x axis is

The prefix "giga" means

What angle does the vector 1 make with the positive z axis?

The number of seconds in a month is of the order of

Which of the following represents a value of current measured to at least five significant figures?

The momentum of a body is defined to be the product of its mass and its velocity. If the mass of an air-track glider is known to be 225 g and its velocity is measured to be 3.1 cm/s, its momentum should be reported as

Which of the following is a fundamental unit of the SI system of units?

In Newton's Law of Gravity the universal gravitational constant G = Fr²/m₁m₂, where F is the gravitational force between the two masses, m₁ and m₂, and r is the distance between them. What are the dimensions of G?

Which of the following vector equations correctly describes the relationship among the vectors shown in the figure?

To convert a quantity from m/s to km/h, you must

What is the least number of non-zero vectors that can be added to give a resultant equal to zero?

If you have a music CD collection of about 150 discs, estimate the order of magnitude of the number of heartbeats you would have if you listened all the way through your collection.

Estimate the number of raindrops needed to fill a volume of 1m $\times$ 1m $\times$ 1cm.

The vector in the figure that could represent the vector - is

The chemical agent dioxin can be toxic or hazardous to humans in concentrations as small as one part per billion. If I am testing a soil sample that has a mass of 1.0 kg, how much dioxin would have to be present for me to label it toxic or hazardous?

Motion in One Dimension

Motion in Two and Three Dimensions

Newtons Laws

Applications of Newtons Laws

Work and Energy

Conservation of Energy

Systems of Particles and Conservation of Linear Momentum

Rotation

Conservation of Angular Momentum

Gravity

Static Equilibrium and Elasticity

Fluids

Oscillations

Wave Motion

Superposition and Standing Waves

Temperature and the Kinetic Theory of Gases

Heat and the First Law of Thermodynamics

The Second Law of Thermodynamics

Thermal Properties and Processes

Filters

Exam 1: Systems of Measurement

Light travels at 3 ×\times× 108 m/s, and it takes about 8 min for light from the sun to travel to Earth. Based on this, the order of magnitude of the distance from the sun to Earth is

A car proceeding due south at 60 km/h ( 1) makes a right turn, after which it is traveling due west at 80 km/h ( 2). What is its change in velocity ( 2 - 1)?

Vector has components Ax = +4.0 units and Ay = +3.2 units, whereas vector has components Bx = +2.5 units and By = +5.5 units. The angle between the two vectors is

Evaluate: (4)0 ×\times× 10-6)(3.0 ×\times× 104)

Which of the following prefixes does NOT represent a fractional part of a whole unit?

Three vectors have the following x and y components: The angle that the resultant makes with the positive direction of the x axis is

The prefix "giga" means

What angle does the vector 1 make with the positive z axis?

The number of seconds in a month is of the order of

Which of the following represents a value of current measured to at least five significant figures?

The momentum of a body is defined to be the product of its mass and its velocity. If the mass of an air-track glider is known to be 225 g and its velocity is measured to be 3.1 cm/s, its momentum should be reported as

Which of the following is a fundamental unit of the SI system of units?

In Newton's Law of Gravity the universal gravitational constant G = Fr2/m1m2, where F is the gravitational force between the two masses, m1 and m2, and r is the distance between them. What are the dimensions of G?

Which of the following vector equations correctly describes the relationship among the vectors shown in the figure?

To convert a quantity from m/s to km/h, you must

What is the least number of non-zero vectors that can be added to give a resultant equal to zero?

If you have a music CD collection of about 150 discs, estimate the order of magnitude of the number of heartbeats you would have if you listened all the way through your collection.

Estimate the number of raindrops needed to fill a volume of 1m ×\times× 1m ×\times× 1cm.

The vector in the figure that could represent the vector - is

The chemical agent dioxin can be toxic or hazardous to humans in concentrations as small as one part per billion. If I am testing a soil sample that has a mass of 1.0 kg, how much dioxin would have to be present for me to label it toxic or hazardous?

Motion in One Dimension

Motion in Two and Three Dimensions

Newtons Laws

Applications of Newtons Laws

Work and Energy

Conservation of Energy

Systems of Particles and Conservation of Linear Momentum

Rotation

Conservation of Angular Momentum

Gravity

Static Equilibrium and Elasticity

Fluids

Oscillations

Wave Motion

Superposition and Standing Waves

Temperature and the Kinetic Theory of Gases

Heat and the First Law of Thermodynamics

The Second Law of Thermodynamics

Thermal Properties and Processes

Filters

Light travels at 3 $\times$ 10⁸ m/s, and it takes about 8 min for light from the sun to travel to Earth. Based on this, the order of magnitude of the distance from the sun to Earth is

A car proceeding due south at 60 km/h ( ₁) makes a right turn, after which it is traveling due west at 80 km/h ( ₂). What is its change in velocity ( ₂ - ₁)?

Vector has components A_x = +4.0 units and A_y = +3.2 units, whereas vector has components B_x = +2.5 units and B_y = +5.5 units. The angle between the two vectors is

Evaluate: (4)0 $\times$ 10^-6)(3.0 $\times$ 10⁴)

In Newton's Law of Gravity the universal gravitational constant G = Fr²/m₁m₂, where F is the gravitational force between the two masses, m₁ and m₂, and r is the distance between them. What are the dimensions of G?

Estimate the number of raindrops needed to fill a volume of 1m $\times$ 1m $\times$ 1cm.