Question 1

What is 56 + (32.00)/(1.2465 + 3.45) written with the correct number of significant figures?

Accepted Answer

A)  62.8 
B)  62.812 
C)  62.81 
D)  63 
E)  62.8123846 
A)  62.8 
B)  62.812 
C)  62.81 
D)  63 
E)  62.8123846

Question 2

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 3

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 × 102 
B)  5 × 103 
C)  5 × 104 
D)  5 × 105 
E)  5 x 106 
A)  5 × 102 
B)  5 × 103 
C)  5 × 104 
D)  5 × 105 
E)  5 x 106

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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.

Question 6

A certain CD-ROM disk can store approximately 6.0 × 102 megabytes of information, where 106 bytes = 1 megabyte. If an average word requires 9.0 bytes of storage, how many words can be stored on one disk?

Accepted Answer

A)  6.7 × 107 words 
B)  5.4 × 109 words 
C)  2.1 × 107 words 
D)  2.0 × 109 words 
A)  6.7 × 107 words 
B)  5.4 × 109 words 
C)  2.1 × 107 words 
D)  2.0 × 109 words

Question 7

When determining the number of significant figures in a number, zeroes to the left of the decimal point are never counted.

Accepted Answer

A) True 
 B)False

Question 8

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

Question 9

The speed of a wave pulse on a string depends on the tension, F, in the string and the mass per unit length, μ, of the string. Tension has SI units of kg · m · s-2 and the mass per unit length has SI units of   What combination of F and μ must the speed of the wave be proportional to?

Accepted Answer

A)  F / μ 
B)  μ / F 
C)    
D)    
E)    
A)  F / μ 
B)  μ / F 
C)    
D)    
E)

Question 10

Convert a speed of 4.50 km/h to units of ft/min. (1.00 m = 3.28 ft)

Accepted Answer

A)  0.246 ft/min 
B)  82.3 ft/min 
C)  165 ft/min 
D)  246 ft/min 
E)  886 ft/min 
A)  0.246 ft/min 
B)  82.3 ft/min 
C)  165 ft/min 
D)  246 ft/min 
E)  886 ft/min

Question 11

The current definition of the standard kilogram of mass is based on

Accepted Answer

A)  the mass of the earth. 
B)  the mass of the sun. 
C)  the mass a particular object kept in France. 
D)  the mass of a cesium-133 atom. 
A)  the mass of the earth. 
B)  the mass of the sun. 
C)  the mass a particular object kept in France. 
D)  the mass of a cesium-133 atom.

Question 12

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 13

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

Question 14

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 15

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 16

What is 34 + (3) × (1.2465) written with the correct number of significant figures?

Accepted Answer

A)  37.7 
B)  37.74 
C)  4 × 101 
D)  38 
E)  37.7395 
A)  37.7 
B)  37.74 
C)  4 × 101 
D)  38 
E)  37.7395

Question 17

The position x, in meters, of an object is given by the equation x = A + Bt + Ct2, where t represents time in seconds. What are the SI units of A, B, and C?

Accepted Answer

A)  m, m, m 
B)  m, s, s 
C)  m, s, s2 
D)  m, m/s, m/s2 
E)  m/s, m/s2, m/s3 
A)  m, m, m 
B)  m, s, s 
C)  m, s, s2 
D)  m, m/s, m/s2 
E)  m/s, m/s2, m/s3

Question 18

If an operatic aria lasts for 5.75 min, its length expressed in seconds is x s, where x is

Accepted Answer

A)  less than 5.75. 
B)  greater than 5.75. 
A)  less than 5.75. 
B)  greater than 5.75.

Question 19

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.

Question 20

Add 3685 g and 66.8 kg and express your answer in milligrams (mg).

Accepted Answer

A)  7.05 × 107 mg 
B)  7.05 × 104 mg 
C)  7.05 × 105 mg 
D)  7.05 × 106 mg 
A)  7.05 × 107 mg 
B)  7.05 × 104 mg 
C)  7.05 × 105 mg 
D)  7.05 × 106 mg

Exam 1: Concepts of Motion

What is 56 + (32.00)/(1.2465 + 3.45) written with the correct number of significant figures?

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

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

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

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

A certain CD-ROM disk can store approximately 6.0 × 102 megabytes of information, where 106 bytes = 1 megabyte. If an average word requires 9.0 bytes of storage, how many words can be stored on one disk?

When determining the number of significant figures in a number, zeroes to the left of the decimal point are never counted.

0.0001776 can also be expressed as

The speed of a wave pulse on a string depends on the tension, F, in the string and the mass per unit length, μ, of the string. Tension has SI units of kg · m · s-2 and the mass per unit length has SI units of What combination of F and μ must the speed of the wave be proportional to?

Convert a speed of 4.50 km/h to units of ft/min. (1.00 m = 3.28 ft)

The current definition of the standard kilogram of mass is based on

Convert 1.2 × 10-3 to decimal notation.

What is the difference between 103.5 and 102.24 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

What is 34 + (3) × (1.2465) written with the correct number of significant figures?

The position x, in meters, of an object is given by the equation x = A + Bt + Ct2, where t represents time in seconds. What are the SI units of A, B, and C?

If an operatic aria lasts for 5.75 min, its length expressed in seconds is x s, where x is

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

Add 3685 g and 66.8 kg and express your answer in milligrams (mg).

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

Impulse and Momentum

Energy

Work

Rotation of a Rigid Body

Newtons Theory of Gravity

Oscillations

Fluids and Elasticity

A Macroscopic Description of Matter

Work, Heat, and the First Law of Thermodynamics

The Micromacro Connection

Heat Engines and Refrigerators

Traveling Waves

Superpositions

Wave Optics

Ray Optics

Optical Instruments

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

Relativity

The Foundations of Modern Physics

Quantization

Wave Functions and Uncertainty

One-Dimensional Quantum Mechanics

Atomic Physics

Nuclear Physics

Filters

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

A certain CD-ROM disk can store approximately 6.0 × 10² megabytes of information, where 10⁶ bytes = 1 megabyte. If an average word requires 9.0 bytes of storage, how many words can be stored on one disk?

The speed of a wave pulse on a string depends on the tension, F, in the string and the mass per unit length, μ, of the string. Tension has SI units of kg · m · s^-2 and the mass per unit length has SI units of What combination of F and μ must the speed of the wave be proportional to?

Convert 1.2 × 10^-3 to decimal notation.

The position x, in meters, of an object is given by the equation x = A + Bt + Ct², where t represents time in seconds. What are the SI units of A, B, and C?