Question 1

What is the difference between 103.5 and 102.24 written with the correct number of significant figures?

Accepted Answer

A)  1 
B)  1.3 
C)  1.26 
D)  1.260 
E)  1.2600 
A)  1 
B)  1.3 
C)  1.26 
D)  1.260 
E)  1.2600 B

Question 2

The height of the ceiling in a typical home, apartment, or dorm room is closest to

Accepted Answer

A)  100 cm. 
B)  200 cm. 
C)  400 cm. 
D)  500 cm. 
A)  100 cm. 
B)  200 cm. 
C)  400 cm. 
D)  500 cm. B

Question 3

Scientists use the metric system chiefly because it is more accurate than the English system.

Accepted Answer

A)  True 
B)  False 
A)  True 
B)  False B

Question 4

The current definition of the standard second of time is based on

Accepted Answer

A)  the frequency of radiation emitted by cesium atoms. 
B)  the earth's rotation rate. 
C)  the duration of one year. 
D)  the oscillation of a particular pendulum kept in France. 
A)  the frequency of radiation emitted by cesium atoms. 
B)  the earth's rotation rate. 
C)  the duration of one year. 
D)  the oscillation of a particular pendulum kept in France.

Question 5

A person on a diet loses   in a week. How many   are lost?

Accepted Answer

A)  2.6 × 103 μg/s 
B)  1.6 × 105 μg/s 
C)  44 μg/s 
D)  6.4 × 104 μg/s 
A)  2.6 × 103 μg/s 
B)  1.6 × 105 μg/s 
C)  44 μg/s 
D)  6.4 × 104 μg/s

Question 6

A marathon is   and   long. Estimate how many strides would be required to run a marathon. Assume a reasonable value for the average number of

Accepted Answer

A)  4.5 × 104 strides 
B)  4.5 × 103 strides 
C)  4.5 × 105 strides 
D)  4.5 × 106 strides 
A)  4.5 × 104 strides 
B)  4.5 × 103 strides 
C)  4.5 × 105 strides 
D)  4.5 × 106 strides

Question 7

A plot of land contains   How many square meters does it contain?

Accepted Answer

A)  2.3 × 104 m2 
B)  7.1 × 103 m2 
C)  7.0 × 104 m2 
D)  5.0 × 104 m2 
A)  2.3 × 104 m2 
B)  7.1 × 103 m2 
C)  7.0 × 104 m2 
D)  5.0 × 104 m2

Question 8

Convert 1.2 × 10-3 to decimal notation.

Accepted Answer

A)  1.200 
B)  0.1200 
C)  0.0120 
D)  0.0012 
E)  0.00012 
A)  1.200 
B)  0.1200 
C)  0.0120 
D)  0.0012 
E)  0.00012

Question 9

The wavelength of a certain laser is   where   Express this wavelength in nanometers.

Accepted Answer

A)  3.5 × 102 nm 
B)  3.5 × 103 nm 
C)  3.5 × 101 nm 
D)  3.5 × 104 nm 
A)  3.5 × 102 nm 
B)  3.5 × 103 nm 
C)  3.5 × 101 nm 
D)  3.5 × 104 nm

Question 10

0.0001776 can also be expressed as

Accepted Answer

A)  1.776 × 10-3. 
B)  1.776 × 10-4. 
C)  17.72 × 104. 
D)  1772 × 105. 
E)  177.2 × 107. 
A)  1.776 × 10-3. 
B)  1.776 × 10-4. 
C)  17.72 × 104. 
D)  1772 × 105. 
E)  177.2 × 107.

Question 11

Estimate the number of pennies that would fit in a box one foot long by one foot wide by one foot tall.

Accepted Answer

A)  5 ×   
B)  5 ×   
C)  5 ×   
D)  5 ×   
E)  5 ×   
A)  5 ×   
B)  5 ×   
C)  5 ×   
D)  5 ×   
E)  5 ×

Question 12

Approximately how many times does an average human heart beat in a year?

Accepted Answer

A)  4 ×   
B)  4 ×   
C)  4 ×   
D)  4 ×   
E)  4 ×   
A)  4 ×   
B)  4 ×   
C)  4 ×   
D)  4 ×   
E)  4 ×

Question 13

How many nanoseconds does it take for a computer to perform one calculation if it performs   calculations per second?

Accepted Answer

A)  15 ns 
B)  67 ns 
C)  11 ns 
D)  65 ns 
A)  15 ns 
B)  67 ns 
C)  11 ns 
D)  65 ns

Question 14

A weight lifter can bench press   How many milligrams (mg) is this?

Accepted Answer

A)  1.71 × 108 mg 
B)  1.71 × 109 mg 
C)  1.71 × 107 mg 
D)  1.71 × 106 mg 
A)  1.71 × 108 mg 
B)  1.71 × 109 mg 
C)  1.71 × 107 mg 
D)  1.71 × 106 mg

Question 15

What is the result of 1.58 ÷ 3.793 written with the correct number of significant figures?

Accepted Answer

A)  4.1656 ×   
B)  4.166 ×   
C)  4.17 ×   
D)  4.2 ×   
E)  4 ×   
A)  4.1656 ×   
B)  4.166 ×   
C)  4.17 ×   
D)  4.2 ×   
E)  4 ×

Question 16

The period of a pendulum is the time it takes the pendulum to swing back and forth once. If the only dimensional quantities that the period depends on are the acceleration of gravity, g, and the length of the pendulum, ℓ, what combination of g and ℓ must the period be proportional to? (Acceleration has SI units of m ∙ s-2.).

Accepted Answer

A)  g/ℓ 
B)  gℓ2 
C)  gℓ 
D)    
E)    
A)  g/ℓ 
B)  gℓ2 
C)  gℓ 
D)    
E)

Question 17

If a woman weighs 125 lb, her mass expressed in kilograms is x kg, where x is

Accepted Answer

A)  less than 125. 
B)  greater than 125. 
A)  less than 125. 
B)  greater than 125.

Question 18

If a flower is 6.5 cm wide, its width expressed in millimeters is x mm, where x is

Accepted Answer

A)  less than 6.5. 
B)  greater than 6.5. 
A)  less than 6.5. 
B)  greater than 6.5.

Question 19

Estimate the number of times the earth will rotate on its axis during a human's lifetime.

Accepted Answer

A)  3 ×   
B)  3 ×   
C)  3 ×   
D)  3 ×   
E)  3 ×   
A)  3 ×   
B)  3 ×   
C)  3 ×   
D)  3 ×   
E)  3 ×

Question 20

0.00325 × 10-8 cm can also be expressed in mm as

Accepted Answer

A)  3.25 × 10-12 mm. 
B)  3.25 × 10-11 mm. 
C)  3.25 × 10-10 mm. 
D)  3.25 × 10-9 mm. 
E)  3.25 × 10-8 mm. 
A)  3.25 × 10-12 mm. 
B)  3.25 × 10-11 mm. 
C)  3.25 × 10-10 mm. 
D)  3.25 × 10-9 mm. 
E)  3.25 × 10-8 mm.

Exam 1: Concepts of Motion

What is the difference between 103.5 and 102.24 written with the correct number of significant figures?

The height of the ceiling in a typical home, apartment, or dorm room is closest to

Scientists use the metric system chiefly because it is more accurate than the English system.

The current definition of the standard second of time is based on

A person on a diet loses in a week. How many are lost?

A marathon is and long. Estimate how many strides would be required to run a marathon. Assume a reasonable value for the average number of

A plot of land contains How many square meters does it contain?

Convert 1.2 × 10-3 to decimal notation.

The wavelength of a certain laser is where Express this wavelength in nanometers.

0.0001776 can also be expressed as

Estimate the number of pennies that would fit in a box one foot long by one foot wide by one foot tall.

Approximately how many times does an average human heart beat in a year?

How many nanoseconds does it take for a computer to perform one calculation if it performs calculations per second?

A weight lifter can bench press How many milligrams (mg) is this?

What is the result of 1.58 ÷ 3.793 written with the correct number of significant figures?

If a woman weighs 125 lb, her mass expressed in kilograms is x kg, where x is

If a flower is 6.5 cm wide, its width expressed in millimeters is x mm, where x is

Estimate the number of times the earth will rotate on its axis during a human's lifetime.

0.00325 × 10-8 cm can also be expressed in mm as

Kinematics in One Dimension

Vectors and Coordinate Systems

Kinematics in Two Dimensions

Force and Motion

Dynamics I: Motion Along a Line

Newtons Third Law

Dynamics Ii: Motion in a Plane

Work and Kinetic Energy

Interactions and Potential Energy

Impulse and Momentum

Rotation of a Rigid Body

Newtons Theory of Gravity

Fluids and Elasticity

Oscillations

Traveling Waves

Superposition

A Macroscopic Description of Matter

Work, Heat, and the First Law of Thermodynamics

The Micromacro Connection

Heat Engines and Refrigerators

Electric Charges and Forces

The Electric Field

Gausss Law

The Electric Potential

Potential and Field

Current and Resistance

Fundamentals of Circuits

The Magnetic Field

Electromagnetic Induction

Electromagnetic Fields and Waves

Ac Circuits

Wave Optics

Ray Optics

Optical Instruments

Relativity

The Foundations of Modern Physics

Quantization

Wave Functions and Uncertainty

One-Dimensional Quantum Mechanics

Atomic Physics

Nuclear Physics

Filters

Convert 1.2 × 10^-3 to decimal notation.

0.00325 × 10^-8 cm can also be expressed in mm as