Question 1

What is the conversion factor between km/h and m/s?

Accepted Answer

A) 7.72 × 10-5 (m/s)/(km/h) 
B) 2.78 × 10-1 (m/s)/(km/h) 
C) 1.30 × 104 (m/s)/(km/h) 
D) 3.60 (m/s)/(km/h) 
E) 16.7 (m/s)/(km/h) 
A) 7.72 × 10-5 (m/s)/(km/h) 
B) 2.78 × 10-1 (m/s)/(km/h) 
C) 1.30 × 104 (m/s)/(km/h) 
D) 3.60 (m/s)/(km/h) 
E) 16.7 (m/s)/(km/h)

Question 2

0.0001895 can also be expressed as

Accepted Answer

A) 1.895 × 10-3. 
B) 1.895 × 10-4. 
C) 18.95 × 104. 
D) 1895 × 105. 
E) 189.5 × 107. 
A) 1.895 × 10-3. 
B) 1.895 × 10-4. 
C) 18.95 × 104. 
D) 1895 × 105. 
E) 189.5 × 107.

Question 3

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) 4 × 107 
A) 3 × 1011 
B) 3 × 1010 
C) 3 × 109 
D) 3 × 108 
E) 4 × 107

Question 4

Approximately how many pennies would you have to stack to reach an average 8-foot ceiling?

Accepted Answer

A) 2 × 103 
B) 2 × 102 
C) 2 × 104 
D) 2 × 105 
E) 2 x 106 
A) 2 × 103 
B) 2 × 102 
C) 2 × 104 
D) 2 × 105 
E) 2 x 106

Question 5

Impulse is a quantity that is equal to force multiplied by time. If the dimensions of force are [M][L][T-2], what are the dimensions of impulse?

Accepted Answer

A) [M][L][T-3] 
B) [M][L2][T] 
C) [M][L2][T-2] 
D) [M][L][T-1] 
E) [M][L] 
A) [M][L][T-3] 
B) [M][L2][T] 
C) [M][L2][T-2] 
D) [M][L][T-1] 
E) [M][L]

Question 6

The metric prefix for one thousand is

Accepted Answer

A) milli. 
B) centi. 
C) kilo. 
D) mega. 
E) giga. 
A) milli. 
B) centi. 
C) kilo. 
D) mega. 
E) giga.

Question 7

When dividing several quantities, the number of significant digits in the result must always be

Accepted Answer

A) larger than the number of significant digits in the most accurate of the quantities. 
B) equal to the number of significant digits in the most accurate of the quantities. 
C) equal to the average number of significant digits in the most and least accurate of the quantities. 
D) equal to the number of significant digits in the least accurate of the quantities. 
E) smaller than the number of significant digits in the least accurate of the quantities. 
A) larger than the number of significant digits in the most accurate of the quantities. 
B) equal to the number of significant digits in the most accurate of the quantities. 
C) equal to the average number of significant digits in the most and least accurate of the quantities. 
D) equal to the number of significant digits in the least accurate of the quantities. 
E) smaller than the number of significant digits in the least accurate of the quantities.

Question 8

Write the number 0.00056 in power of ten notation.

Accepted Answer

A) 5.6 × 10-5  
B) 5.6 × 10-4  
C) 5.6 × 10-3  
D) 5.6 × 10-2  
E) 5.6 × 10-1  
A) 5.6 × 10-5  
B) 5.6 × 10-4  
C) 5.6 × 10-3  
D) 5.6 × 10-2  
E) 5.6 × 10-1

Question 9

A kind of analogy or mental image of a phenomenon in terms of something we are familiar with is referred to as a

Accepted Answer

A) model. 
B) theory. 
C) law. 
D) principle. 
E) hypothesis. 
A) model. 
B) theory. 
C) law. 
D) principle. 
E) hypothesis.

Question 10

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 11

What is the percent uncertainty in the area of a circle whose radius is 1.8 × 104 cm?

Accepted Answer

A) 1.1% 
B) 5.6% 
C) 11% 
D) 24% 
E) 56% 
A) 1.1% 
B) 5.6% 
C) 11% 
D) 24% 
E) 56%

Question 12

What is the product of 12.56 and 2.12?

Accepted Answer

A) 27 
B) 26.6 
C) 26.23 
D) 26.627 
E) 26.6270 
A) 27 
B) 26.6 
C) 26.23 
D) 26.627 
E) 26.6270

Question 13

What is the sum of 1123 and 10.3 written with the correct number of significant figures?

Accepted Answer

A) 1.13 × 103  
B) 1133.3000 
C) 1.1 × 103  
D) 1133.3 
E) 1133 
A) 1.13 × 103  
B) 1133.3000 
C) 1.1 × 103  
D) 1133.3 
E) 1133

Question 14

What, approximately, is the percent uncertainty for the measurement 5.2?

Accepted Answer

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

Question 15

The density of a solid object is defined as the ratio of the mass of the object to its volume. The dimension of density is

Accepted Answer

A) [M]/[L]. 
B) [L]3/[M]. 
C) [M][L]-3. 
D) [M][L][T]. 
E) [M][L]. 
A) [M]/[L]. 
B) [L]3/[M]. 
C) [M][L]-3. 
D) [M][L][T]. 
E) [M][L].

Question 16

Estimate the number of pennies that would fit in a box one foot across 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 104 
A) 5 × 102 
B) 5 × 103 
C) 5 × 104 
D) 5 × 105 
E) 5 x 104

Question 17

The metric prefix for one one-thousandth is

Accepted Answer

A) milli. 
B) centi. 
C) kilo. 
D) mega. 
E) giga. 
A) milli. 
B) centi. 
C) kilo. 
D) mega. 
E) giga.

Question 18

When adding several quantities, the number of decimal places in the result must always be

Accepted Answer

A) larger than the number of decimal places in the most accurate of the quantities. 
B) equal to the number of decimal places in the most accurate of the quantities. 
C) equal to the average number of significant digits in the most and least accurate of the quantities. 
D) equal to the number of decimal places in the least accurate of the quantities. 
E) smaller than the number of decimal places in the least accurate of the quantities. 
A) larger than the number of decimal places in the most accurate of the quantities. 
B) equal to the number of decimal places in the most accurate of the quantities. 
C) equal to the average number of significant digits in the most and least accurate of the quantities. 
D) equal to the number of decimal places in the least accurate of the quantities. 
E) smaller than the number of decimal places in the least accurate of the quantities.

Question 19

Estimate how many times you would have to fold a sheet of paper until it becomes as thick as a large dictionary (approximately 10 cm thick).

Accepted Answer

A) 10 times 
B) 50 times 
C) 100 times 
D) 500 times 
E) 1000 times 
A) 10 times 
B) 50 times 
C) 100 times 
D) 500 times 
E) 1000 times

Question 20

Accuracy refers to how close a measurement is to the true value.

Accepted Answer

A) True 
 B)False

Exam 1: Introduction, Measurement, Estimating

What is the conversion factor between km/h and m/s?

0.0001895 can also be expressed as

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

Approximately how many pennies would you have to stack to reach an average 8-foot ceiling?

Impulse is a quantity that is equal to force multiplied by time. If the dimensions of force are [M][L][T-2], what are the dimensions of impulse?

The metric prefix for one thousand is

When dividing several quantities, the number of significant digits in the result must always be

Write the number 0.00056 in power of ten notation.

A kind of analogy or mental image of a phenomenon in terms of something we are familiar with is referred to as a

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

What is the percent uncertainty in the area of a circle whose radius is 1.8 × 104 cm?

What is the product of 12.56 and 2.12?

What is the sum of 1123 and 10.3 written with the correct number of significant figures?

What, approximately, is the percent uncertainty for the measurement 5.2?

The density of a solid object is defined as the ratio of the mass of the object to its volume. The dimension of density is

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

The metric prefix for one one-thousandth is

When adding several quantities, the number of decimal places in the result must always be

Estimate how many times you would have to fold a sheet of paper until it becomes as thick as a large dictionary (approximately 10 cm thick).

Accuracy refers to how close a measurement is to the true value.

Describing Motion: Kinematics in One Dimension

Kinematics in Two or Three Dimensions; Vectors

Dynamics: Newtons Laws of Motion

Using Newtons Laws: Friction, Circular Motion, Drag Forces

Gravitation and Newtons6 Synthesis

Work and Energy

Conservation of Energy

Linear Momentum

Rotational Motion

Angular Momentum; General Rotation

Static Equilibrium; Elasticity and Fracture

Fluids

Oscillations

Wave Motion

Sound

Temperature, Thermal Expansion, and the Ideal Gas Law

Kinetic Theory of Gases

Heat and the First Law of Thermodynamics

Second Law of Thermodynamics

Electric Charge and Electric Field

Gausss Law

Electric Potential

Capacitance, Dielectrics, Electric Energy Storage

Electric Currents and Resistance

Dc Circuits

Magnetism

Sources of Magnetic Field

Electromagnetic Induction and Faradays Law

Inductance, Electromagnetic Oscillations, and Ac Circuits

Maxwells Equations and Electromagnetic Waves

Light: Reflection and Refraction

Lenses and Optical Instruments

The Wave Nature of Light; Interference

Diffraction and Polarization

Special Theory of Relativity

Early Quantum Theory and Models of the Atom

Quantum Mechanics

Quantum Mechanics of Atoms

Molecules and Solids

Nuclear Physics and Radioactivity

Nuclear Energy: Efects and Uses of Radiation

Elementary Particle

Astrophysics and Cosmology

Filters

Impulse is a quantity that is equal to force multiplied by time. If the dimensions of force are [M][L][T^-²], what are the dimensions of impulse?

What is the percent uncertainty in the area of a circle whose radius is 1.8 × 10⁴ cm?