Question 1

If, in a parallel universe, π has the value 3.14149, express π in that universe to four significant figures.

Accepted Answer

A)  3.141 
B)  3.142 
C)  3.1415 
D)  3.1414 
A)  3.141 
B)  3.142 
C)  3.1415 
D)  3.1414

Question 2

What is the value of π(8.104)2, written with the correct number of significant figures?

Accepted Answer

A)  206.324 
B)  206.323 
C)  206.3 
D)  206 
E)  200 
A)  206.324 
B)  206.323 
C)  206.3 
D)  206 
E)  200

Question 3

The current definition of the standard meter of length is based on

Accepted Answer

A)  the distance between the earth's equator and north pole. 
B)  the distance between the earth and the sun. 
C)  the distance traveled by light in a vacuum. 
D)  the length of a particular object kept in France. 
A)  the distance between the earth's equator and north pole. 
B)  the distance between the earth and the sun. 
C)  the distance traveled by light in a vacuum. 
D)  the length of a particular object kept in France.

Question 4

If a tree is 15 m tall, its height expressed in feet is x ft, where x is

Accepted Answer

A)  less than 15. 
B)  greater than 15. 
A)  less than 15. 
B)  greater than 15.

Question 5

The wavelength of a certain laser is 0.35 micrometers, where 1 micrometer = 1 x 10-6 m. 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 6

A plot of land contains 5.8 acres. How many square meters does it contain? [1 acre = 43,560 ft2]

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 7

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

Accepted Answer

A)  3 × 1011 
B)  3 × 1010 
C)  3 × 109 
D)  3 × 108 
E)  3 × 107 
A)  3 × 1011 
B)  3 × 1010 
C)  3 × 109 
D)  3 × 108 
E)  3 × 107

Question 8

The shortest wavelength of visible light is approximately 400 nm. Express this wavelength in centimeters.

Accepted Answer

A)  4 × 10-5 cm 
B)  4 × 10-7 cm 
C)  4 × 10-9 cm 
D)  4 × 10-11 cm 
E)  400 × 10-11 cm 
A)  4 × 10-5 cm 
B)  4 × 10-7 cm 
C)  4 × 10-9 cm 
D)  4 × 10-11 cm 
E)  400 × 10-11 cm

Question 9

The exhaust fan on a typical kitchen stove pulls 600 CFM (cubic feet per minute) through the filter. Given that 1.00 in. = 2.54 cm, how many cubic meters per second does this fan pull?

Accepted Answer

A)  0.283 m3/sec 
B)  0.328 m3/sec 
C)  3.05 m3/sec 
D)  32.8 m3/sec 
A)  0.283 m3/sec 
B)  0.328 m3/sec 
C)  3.05 m3/sec 
D)  32.8 m3/sec

Question 10

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

Accepted Answer

A)  3 × 104 
B)  3 × 105 
C)  3 × 106 
D)  3 × 107 
E)  3 x 108 
A)  3 × 104 
B)  3 × 105 
C)  3 × 106 
D)  3 × 107 
E)  3 x 108

Question 11

What is the product of 11.24 and 1.95 written with the correct number of significant figures?

Accepted Answer

A)  22 
B)  21.9 
C)  21.92 
D)  21.918 
E)  21.9180 
A)  22 
B)  21.9 
C)  21.92 
D)  21.918 
E)  21.9180

Question 12

Write out the number 7.35 × 10-5 in full with a decimal point and correct number of zeros.

Accepted Answer

A)  0.00000735 
B)  0.0000735 
C)  0.000735 
D)  0.00735 
E)  0.0735 
A)  0.00000735 
B)  0.0000735 
C)  0.000735 
D)  0.00735 
E)  0.0735

Exam 1: Concepts of Motion

If, in a parallel universe, π has the value 3.14149, express π in that universe to four significant figures.

What is the value of π(8.104)2, written with the correct number of significant figures?

The current definition of the standard meter of length is based on

If a tree is 15 m tall, its height expressed in feet is x ft, where x is

The wavelength of a certain laser is 0.35 micrometers, where 1 micrometer = 1 x 10-6 m. Express this wavelength in nanometers.

A plot of land contains 5.8 acres. How many square meters does it contain? [1 acre = 43,560 ft2]

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

The shortest wavelength of visible light is approximately 400 nm. Express this wavelength in centimeters.

The exhaust fan on a typical kitchen stove pulls 600 CFM (cubic feet per minute) through the filter. Given that 1.00 in. = 2.54 cm, how many cubic meters per second does this fan pull?

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

What is the product of 11.24 and 1.95 written with the correct number of significant figures?

Write out the number 7.35 × 10-5 in full with a decimal point and correct number of zeros.

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

What is the value of π(8.104)², written with the correct number of significant figures?

The wavelength of a certain laser is 0.35 micrometers, where 1 micrometer = 1 x 10^-6 m. Express this wavelength in nanometers.

A plot of land contains 5.8 acres. How many square meters does it contain? [1 acre = 43,560 ft²]

Write out the number 7.35 × 10^-5 in full with a decimal point and correct number of zeros.