Question 1

Compute:

Accepted Answer

A)  3.3 $\times$ 10-6  
B)  5.1 $\times$ 106  
C)  5.1 $\times$ 10-12  
D)  3.3 $\times$ 10-1  
E)  None of these is correct. 
A)  3.3 $\times$ 10-6  
B)  5.1 $\times$ 106  
C)  5.1 $\times$ 10-12  
D)  3.3 $\times$ 10-1  
E)  None of these is correct.

Question 2

The size of a proton is of the order of 10-15 m and the size of the visible universe is of the order of 1026 m. From this information you can conclude that

Accepted Answer

A)  the size of the universe is 26 orders of magnitude greater than that of the proton. 
B)  the size of the universe is 41 orders of magnitude greater than that of the proton. 
C)  the size of the proton is 11 orders of magnitude greater than that of the universe. 
D)  the size of the universe is 15 orders of magnitude greater than that of the proton. 
E)  the size of the proton is 15 orders of magnitude greater than that of the universe. 
A)  the size of the universe is 26 orders of magnitude greater than that of the proton. 
B)  the size of the universe is 41 orders of magnitude greater than that of the proton. 
C)  the size of the proton is 11 orders of magnitude greater than that of the universe. 
D)  the size of the universe is 15 orders of magnitude greater than that of the proton. 
E)  the size of the proton is 15 orders of magnitude greater than that of the universe.

Question 3

Light travels at 3 $\times$ 108 m/s, and the size of a proton is about 1 fm. Calculate the order of magnitude for the time taken for light to pass across a proton.

Accepted Answer

A)  10-7 s 
B)  10-8 s 
C)  10-22 s 
D)  10-23 s 
E)  1023 s 
A)  10-7 s 
B)  10-8 s 
C)  10-22 s 
D)  10-23 s 
E)  1023 s

Question 4

The prefix "kilo" means

Accepted Answer

A)  1012  
B)  108  
C)  106  
D)  103  
E)  101  
A)  1012  
B)  108  
C)  106  
D)  103  
E)  101

Question 5

In doing a calculation, you arrive at an expression in which the numerator is in kilometers and the denominator is in meters per second. When the calculation is completed, the result will be in units of

Accepted Answer

A)  meters, if you divide by 1000. 
B)  meters, if you multiply by 1000. 
C)  seconds, if you divide by 1000. 
D)  seconds, if you multiply by 1000. 
E)  meters squared per second, if you multiply by 1000. 
A)  meters, if you divide by 1000. 
B)  meters, if you multiply by 1000. 
C)  seconds, if you divide by 1000. 
D)  seconds, if you multiply by 1000. 
E)  meters squared per second, if you multiply by 1000.

Question 6

If x and t represent distance and time, respectively, the C in x = 1/2Ct 2 must

Accepted Answer

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

Question 7

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

Accepted Answer

A)  multiply by 1000 and divide by 60. 
B)  multiply by 1000 and divide by 3600. 
C)  multiply by 60 and divide by 1000. 
D)  multiply by 3600 and divide by 1000. 
E)  None of these is correct. 
A)  multiply by 1000 and divide by 60. 
B)  multiply by 1000 and divide by 3600. 
C)  multiply by 60 and divide by 1000. 
D)  multiply by 3600 and divide by 1000. 
E)  None of these is correct.

Question 8

Two vectors   and   are added to give a resultant   . The components of   are Ax = -8.0 units and Ay = 6.0 units and the components of   are Bx = 1.0 units and By = -1.0 units. The magnitude of vector   is

Accepted Answer

A)  -1.0 units 
B)  +8.6 units 
C)  +19 units 
D)  +2.0 units 
E)  -3.2 units 
A)  -1.0 units 
B)  +8.6 units 
C)  +19 units 
D)  +2.0 units 
E)  -3.2 units

Question 9

The prefix "milli" means

Accepted Answer

A)  10-12  
B)  10-6  
C)  10-3  
D)  10-2  
E)  10-1  
A)  10-12  
B)  10-6  
C)  10-3  
D)  10-2  
E)  10-1

Question 10

Compute:
(12 $\times$ 106 - 2 $\times$ 107) / (-12 $\times$ 107 + 7 $\times$106)

Accepted Answer

A)  7.1 $\times$ 10-2  
B)  7.0 $\times$ 106  
C)  2.0 $\times$ 10-8  
D)  -7.1 $\times$10-2  
E)  2 $\times$105  
A)  7.1 $\times$ 10-2  
B)  7.0 $\times$ 106  
C)  2.0 $\times$ 10-8  
D)  -7.1 $\times$10-2  
E)  2 $\times$105

Question 11

The prefix "nano" means

Accepted Answer

A)  10-12  
B)  10-6  
C)  10-3  
D)  10-2  
E)  None of these is correct. 
A)  10-12  
B)  10-6  
C)  10-3  
D)  10-2  
E)  None of these is correct.

Question 12

The dimensions of two quantities MUST be identical if you are either __________ or __________ the quantities.

Accepted Answer

A)  adding; multiplying 
B)  subtracting; dividing 
C)  multiplying; dividing 
D)  adding; subtracting 
E)  All of these are correct. 
A)  adding; multiplying 
B)  subtracting; dividing 
C)  multiplying; dividing 
D)  adding; subtracting 
E)  All of these are correct.

Question 13

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

Accepted Answer

A)  mass 
B)  length 
C)  force 
D)  time 
E)  All of these are fundamental physical quantities in the SI system. 
A)  mass 
B)  length 
C)  force 
D)  time 
E)  All of these are fundamental physical quantities in the SI system.

Question 14

A vector of magnitude 5 points in the +y direction. Another vector of magnitude 4 is subtracted from the first vector. The smallest possible magnitude of the sum is

Accepted Answer

A)  1  
B)  4 
C)  5 
D)  9 
E)  10  
A)  1  
B)  4 
C)  5 
D)  9 
E)  10

Question 15

The density of seawater was measured to be 1.07 g/cm3. This density in SI
Units is

Accepted Answer

A)  l.07 $\times$ 10-3 kg/m3  
B)  (1/1.07) $\times$ 103 kg/m3  
C)  1.07 $\times$ 103 kg 
D)  1.07 $\times$ 10-3 kg 
E)  1.07 $\times$ 103 kg/m3  
A)  l.07 $\times$ 10-3 kg/m3  
B)  (1/1.07) $\times$ 103 kg/m3  
C)  1.07 $\times$ 103 kg 
D)  1.07 $\times$ 10-3 kg 
E)  1.07 $\times$ 103 kg/m3

Question 16

Two vector quantities, whose directions can be altered at will, can have a resultant of any magnitude between the limits 0 and 200. The magnitude of each vector quantity must therefore be

Accepted Answer

A)  between 0 and 80. 
B)  between 120 and 200. 
C)  less than 100. 
D)  exactly 100. 
E)  more than 100. 
A)  between 0 and 80. 
B)  between 120 and 200. 
C)  less than 100. 
D)  exactly 100. 
E)  more than 100.

Question 17

A vector of magnitude 5 points in the +y direction. Another vector of magnitude 4 is added to the first vector. The largest possible magnitude of the sum is

Accepted Answer

A)  1  
B)  4 
C)  5 
D)  9 
E)  10  
A)  1  
B)  4 
C)  5 
D)  9 
E)  10

Question 18

A vector A is shown below. The x and y components of the vector are, respectively,

Accepted Answer

A)  (A sin $\alpha$, A cos $\alpha$) or (A sin $\theta$, A cos $\theta$) 
B)  (A sin $\alpha$, A cos $\alpha$) or (A cos $\theta$, A sin $\theta$) 
C)  (A sin $\alpha$, A sin $\alpha$) or (A sin $\theta$, A cos $\theta$) 
D)  (A cos $\alpha$, A cos $\alpha$) or (A sin $\theta$, A cos $\theta$) 
E)  (A cos $\alpha$, A cos $\alpha$) or (A cos $\theta$, A cos $\theta$) 
A)  (A sin $\alpha$, A cos $\alpha$) or (A sin $\theta$, A cos $\theta$) 
B)  (A sin $\alpha$, A cos $\alpha$) or (A cos $\theta$, A sin $\theta$) 
C)  (A sin $\alpha$, A sin $\alpha$) or (A sin $\theta$, A cos $\theta$) 
D)  (A cos $\alpha$, A cos $\alpha$) or (A sin $\theta$, A cos $\theta$) 
E)  (A cos $\alpha$, A cos $\alpha$) or (A cos $\theta$, A cos $\theta$)

Question 19

Which of the following prefixes does NOT represent a quantity larger than a single unit?

Accepted Answer

A)  kilo 
B)  mega 
C)  giga 
D)  tera 
E)  femto 
A)  kilo 
B)  mega 
C)  giga 
D)  tera 
E)  femto

Question 20

Three vectors    are added together. Which statement below best describes the additive property of the three vectors?

Accepted Answer

A)    
B)    
C)    
D)    
E)  all the other statements 
A)    
B)    
C)    
D)    
E)  all the other statements

Compute:

The size of a proton is of the order of 10^-15 m and the size of the visible universe is of the order of 10²⁶ m. From this information you can conclude that

Light travels at 3 $\times$ 10⁸ m/s, and the size of a proton is about 1 fm. Calculate the order of magnitude for the time taken for light to pass across a proton.

The prefix "kilo" means

In doing a calculation, you arrive at an expression in which the numerator is in kilometers and the denominator is in meters per second. When the calculation is completed, the result will be in units of

If x and t represent distance and time, respectively, the C in x = ¹/2Ct ² must

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

Two vectors and are added to give a resultant . The components of are A_x = -8.0 units and A_y = 6.0 units and the components of are B_x = 1.0 units and B_y = -1.0 units. The magnitude of vector is

The prefix "milli" means

Compute: (12 $\times$ 10⁶ - 2 $\times$ 10⁷) / (-12 $\times$ 10⁷ + 7 $\times$ 10⁶)

The prefix "nano" means

The dimensions of two quantities MUST be identical if you are either or the quantities.

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

A vector of magnitude 5 points in the +y direction. Another vector of magnitude 4 is subtracted from the first vector. The smallest possible magnitude of the sum is

The density of seawater was measured to be 1.07 g/cm³. This density in SI Units is

Two vector quantities, whose directions can be altered at will, can have a resultant of any magnitude between the limits 0 and 200. The magnitude of each vector quantity must therefore be

A vector of magnitude 5 points in the +y direction. Another vector of magnitude 4 is added to the first vector. The largest possible magnitude of the sum is

A vector A is shown below. The x and y components of the vector are, respectively,

Which of the following prefixes does NOT represent a quantity larger than a single unit?

Three vectors are added together. Which statement below best describes the additive property of the three vectors?

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

Compute:

The size of a proton is of the order of 10-15 m and the size of the visible universe is of the order of 1026 m. From this information you can conclude that

Light travels at 3 ×\times× 108 m/s, and the size of a proton is about 1 fm. Calculate the order of magnitude for the time taken for light to pass across a proton.

The prefix "kilo" means

In doing a calculation, you arrive at an expression in which the numerator is in kilometers and the denominator is in meters per second. When the calculation is completed, the result will be in units of

If x and t represent distance and time, respectively, the C in x = 1/2Ct 2 must

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

Two vectors and are added to give a resultant . The components of are Ax = -8.0 units and Ay = 6.0 units and the components of are Bx = 1.0 units and By = -1.0 units. The magnitude of vector is

The prefix "milli" means

Compute: (12 ×\times× 106 - 2 ×\times× 107) / (-12 ×\times× 107 + 7 ×\times× 106)

The prefix "nano" means

The dimensions of two quantities MUST be identical if you are either __________ or __________ the quantities.

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

A vector of magnitude 5 points in the +y direction. Another vector of magnitude 4 is subtracted from the first vector. The smallest possible magnitude of the sum is

The density of seawater was measured to be 1.07 g/cm3. This density in SI Units is

Two vector quantities, whose directions can be altered at will, can have a resultant of any magnitude between the limits 0 and 200. The magnitude of each vector quantity must therefore be

A vector of magnitude 5 points in the +y direction. Another vector of magnitude 4 is added to the first vector. The largest possible magnitude of the sum is

A vector A is shown below. The x and y components of the vector are, respectively,

Which of the following prefixes does NOT represent a quantity larger than a single unit?

Three vectors are added together. Which statement below best describes the additive property of the three vectors?

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

The size of a proton is of the order of 10^-15 m and the size of the visible universe is of the order of 10²⁶ m. From this information you can conclude that

Light travels at 3 $\times$ 10⁸ m/s, and the size of a proton is about 1 fm. Calculate the order of magnitude for the time taken for light to pass across a proton.

If x and t represent distance and time, respectively, the C in x = ¹/2Ct ² must

Two vectors and are added to give a resultant . The components of are A_x = -8.0 units and A_y = 6.0 units and the components of are B_x = 1.0 units and B_y = -1.0 units. The magnitude of vector is

Compute: (12 $\times$ 10⁶ - 2 $\times$ 10⁷) / (-12 $\times$ 10⁷ + 7 $\times$ 10⁶)

The dimensions of two quantities MUST be identical if you are either or the quantities.

The density of seawater was measured to be 1.07 g/cm³. This density in SI Units is