Question 1

To convert a quantity from g/cm3 to kg/m3, you must

Accepted Answer

A)  multiply by 0.01. 
B)  multiply by 100. 
C)  multiply by 1000. 
D)  multiply by 0.001. 
E)  multiply by 1,000,000. 
A)  multiply by 0.01. 
B)  multiply by 100. 
C)  multiply by 1000. 
D)  multiply by 0.001. 
E)  multiply by 1,000,000.

Question 2

The net force acting on a body is defined to be the product of the mass of the body and its resultant acceleration. If the mass of a body is known to be 184 kg and its acceleration is measured to be 2.4 m/s2, the resultant force should be reported as

Accepted Answer

A)  4.4 $\times$ 102 kg · m/s2  
B)  441.6 kg · m/s2  
C)  442 kg · m/s2  
D)  4.416 kg · m/s2  
E)  4.42 $\times$ 102 kg · m/s2  
A)  4.4 $\times$ 102 kg · m/s2  
B)  441.6 kg · m/s2  
C)  442 kg · m/s2  
D)  4.416 kg · m/s2  
E)  4.42 $\times$ 102 kg · m/s2

Question 3

A velocity vector has an x component of +5.5 m/s and a y component of -3.5 m/s. The diagram that gives the direction of the vector is

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  None of these is correct. 
A)  1 
B)  2 
C)  3 
D)  4 
E)  None of these is correct.

Question 4

You are traveling at a speed of 80 km/hr. Your speed in mph is approximately

Accepted Answer

A)  30 
B)  40 
C)  50 
D)  60 
E)  70 
A)  30 
B)  40 
C)  50 
D)  60 
E)  70

Question 5

A person inhales about 1 L of air per breathe. Estimate the number of air molecules inhaled.

Accepted Answer

A)  1010 
B)  1014 
C)  1018 
D)  1022 
E)  1026 
A)  1010 
B)  1014 
C)  1018 
D)  1022 
E)  1026

Question 6

The measurement 5.130 $\times$10-4 has _____ significant figures.

Accepted Answer

A)  two 
B)  three 
C)  one 
D)  seven 
E)  four 
A)  two 
B)  three 
C)  one 
D)  seven 
E)  four

Question 7

The measurement 23.0040 has _____ significant figures.

Accepted Answer

A)  six 
B)  three 
C)  five 
D)  four 
E)  two 
A)  six 
B)  three 
C)  five 
D)  four 
E)  two

Question 8

Two vector quantities, whose directions can be altered at will, can have a resultant between the limits 5 and 15. The magnitudes of these two vector quantities could be

Accepted Answer

A)  2 and 2 
B)  5 and 10 
C)  20 and 40 
D)  20 and 50 
E)  59 and 97 
A)  2 and 2 
B)  5 and 10 
C)  20 and 40 
D)  20 and 50 
E)  59 and 97

Question 9

If x and t represent position and time, respectively, the B in x = A cos Bt must

Accepted Answer

A)  have the dimensions L/T. 
B)  have the dimensions 1/T. 
C)  have the dimensions L. 
D)  have the dimensions L2/T 2. 
E)  be dimensionless. 
A)  have the dimensions L/T. 
B)  have the dimensions 1/T. 
C)  have the dimensions L. 
D)  have the dimensions L2/T 2. 
E)  be dimensionless.

Question 10

The length of the vector    is

Accepted Answer

A)  169 units 
B)  144 units 
C)  25 units 
D)  17 units 
E)  None of these is correct. 
A)  169 units 
B)  144 units 
C)  25 units 
D)  17 units 
E)  None of these is correct.

Question 11

Evaluate:

Accepted Answer

A)  1.1 $\times$ 105  
B)  1.7 $\times$ 10-4  
C)  3.6 $\times$ 10-8  
D)  4.5 $\times$ 105  
E)  1.1 
A)  1.1 $\times$ 105  
B)  1.7 $\times$ 10-4  
C)  3.6 $\times$ 10-8  
D)  4.5 $\times$ 105  
E)  1.1

Question 12

The angle between vectors $$ \vec{A} \quad $$and $$ \vec{B} \quad $$  is 30º, and their sum is $$ \vec{C} \quad $$ . Which vector diagram correctly describes the vectors $$ \vec{A} \quad $$ , $$ \vec{B} \quad $$ , and $$ \vec{C} \quad $$ ?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 13

The longest bridge on Earth is of the order of

Accepted Answer

A)  103  m 
B)  104  m 
C)  105  m 
D)  106  m 
E)  107 m 
A)  103  m 
B)  104  m 
C)  105  m 
D)  106  m 
E)  107 m

Question 14

The dimensions of energy, E, are ML2/T 2. Using dimensional analyzes, E is the product of which two quantities?

Accepted Answer

A)  Mass divided by time squared 
B)  Force times acceleration 
C)  Mass times acceleration 
D)  force times distance 
E)  force divided by time squared 
A)  Mass divided by time squared 
B)  Force times acceleration 
C)  Mass times acceleration 
D)  force times distance 
E)  force divided by time squared

Question 15

The SI unit for mass is

Accepted Answer

A)  $\mu$g  
B)  mg  
C)  g  
D)  kg  
E)  lb  
A)  $\mu$g  
B)  mg  
C)  g  
D)  kg  
E)  lb

Question 16

The mass of an electron is of the order of 10-30 kg and the mass of the universe is believed to be of the order of 1052 kg. From this information you can conclude that

Accepted Answer

A)  the mass of Earth is 52 orders of magnitude greater than that of the electron. 
B)  the mass of Earth is 30 orders of magnitude greater than that of the electron. 
C)  the mass of the electron is 82 orders of magnitude greater than that of Earth. 
D)  the mass of Earth is 82 orders of magnitude greater than that of the electron. 
E)  the mass of the electron is 30 orders of magnitude greater than that of Earth. 
A)  the mass of Earth is 52 orders of magnitude greater than that of the electron. 
B)  the mass of Earth is 30 orders of magnitude greater than that of the electron. 
C)  the mass of the electron is 82 orders of magnitude greater than that of Earth. 
D)  the mass of Earth is 82 orders of magnitude greater than that of the electron. 
E)  the mass of the electron is 30 orders of magnitude greater than that of Earth.

Question 17

Earth's population, expressed as an order of magnitude, is closest to

Accepted Answer

A)  106  
B)  1010  
C)  105  
D)  108  
E)  107  
A)  106  
B)  1010  
C)  105  
D)  108  
E)  107

Question 18

In the expression Fnet = ma, m must have the dimensions

Accepted Answer

A)  ML/T 2  
B)  M 
C)  L/T 2  
D)  L/T 
E)  ML2/T 2  
A)  ML/T 2  
B)  M 
C)  L/T 2  
D)  L/T 
E)  ML2/T 2

Question 19

The vector equation that describes the relationship among vectors   ,   , and   is

Accepted Answer

A)    =   +   
B)    
C)    =   -   
D)    =   -   
E)    =   +   
A)    =   +   
B)    
C)    =   -   
D)    =   -   
E)    =   +

Question 20

Which of the following is NOT one of the fundamental units in the SI system?

Accepted Answer

A)  Newton 
B)  meter 
C)  kilogram 
D)  second 
E)  All of the above are fundamental units in the SI system. 
A)  Newton 
B)  meter 
C)  kilogram 
D)  second 
E)  All of the above are fundamental units in the SI system.

To convert a quantity from g/cm³ to kg/m³, you must

The net force acting on a body is defined to be the product of the mass of the body and its resultant acceleration. If the mass of a body is known to be 184 kg and its acceleration is measured to be 2.4 m/s², the resultant force should be reported as

A velocity vector has an x component of +5.5 m/s and a y component of -3.5 m/s. The diagram that gives the direction of the vector is

You are traveling at a speed of 80 km/hr. Your speed in mph is approximately

A person inhales about 1 L of air per breathe. Estimate the number of air molecules inhaled.

The measurement 5.130 $\times$ 10^-4 has _____ significant figures.

The measurement 23.0040 has _____ significant figures.

Two vector quantities, whose directions can be altered at will, can have a resultant between the limits 5 and 15. The magnitudes of these two vector quantities could be

If x and t represent position and time, respectively, the B in x = A cos Bt must

The length of the vector is

Evaluate:

The longest bridge on Earth is of the order of

The dimensions of energy, E, are ML²/T ². Using dimensional analyzes, E is the product of which two quantities?

The SI unit for mass is

The mass of an electron is of the order of 10^-30 kg and the mass of the universe is believed to be of the order of 10⁵² kg. From this information you can conclude that

Earth's population, expressed as an order of magnitude, is closest to

In the expression F_net = ma, m must have the dimensions

The vector equation that describes the relationship among vectors , , and is

Which of the following is NOT one of the fundamental units in the SI system?

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

To convert a quantity from g/cm3 to kg/m3, you must

The net force acting on a body is defined to be the product of the mass of the body and its resultant acceleration. If the mass of a body is known to be 184 kg and its acceleration is measured to be 2.4 m/s2, the resultant force should be reported as

A velocity vector has an x component of +5.5 m/s and a y component of -3.5 m/s. The diagram that gives the direction of the vector is

You are traveling at a speed of 80 km/hr. Your speed in mph is approximately

A person inhales about 1 L of air per breathe. Estimate the number of air molecules inhaled.

The measurement 5.130 ×\times× 10-4 has _____ significant figures.

The measurement 23.0040 has _____ significant figures.

Two vector quantities, whose directions can be altered at will, can have a resultant between the limits 5 and 15. The magnitudes of these two vector quantities could be

If x and t represent position and time, respectively, the B in x = A cos Bt must

The length of the vector is

Evaluate:

The angle between vectors A⃗ \vec{A} \quad A and B⃗ \vec{B} \quad B is 30º, and their sum is C⃗ \vec{C} \quad C . Which vector diagram correctly describes the vectors A⃗ \vec{A} \quad A , B⃗ \vec{B} \quad B , and C⃗ \vec{C} \quad C ?

The longest bridge on Earth is of the order of

The dimensions of energy, E, are ML2/T 2. Using dimensional analyzes, E is the product of which two quantities?

The SI unit for mass is

The mass of an electron is of the order of 10-30 kg and the mass of the universe is believed to be of the order of 1052 kg. From this information you can conclude that

Earth's population, expressed as an order of magnitude, is closest to

In the expression Fnet = ma, m must have the dimensions

The vector equation that describes the relationship among vectors , , and is

Which of the following is NOT one of the fundamental units in the SI system?

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

To convert a quantity from g/cm³ to kg/m³, you must

The net force acting on a body is defined to be the product of the mass of the body and its resultant acceleration. If the mass of a body is known to be 184 kg and its acceleration is measured to be 2.4 m/s², the resultant force should be reported as

The measurement 5.130 $\times$ 10^-4 has _____ significant figures.

The dimensions of energy, E, are ML²/T ². Using dimensional analyzes, E is the product of which two quantities?

The mass of an electron is of the order of 10^-30 kg and the mass of the universe is believed to be of the order of 10⁵² kg. From this information you can conclude that

In the expression F_net = ma, m must have the dimensions