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Solutions Manual Physics: An Algebra-Based Approach 2nd Edition by Joanne O'Meara

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Module
Physics - General Relativity

Institution
Physics - General Relativity

Solutions, Solutions Manual Physics, An Algebra-Based Approach 2nd Edition by Joanne O'Meara, Sarah Johnson, Ernie McFarland. chapters 1 to 24 solutions for Physics: An Algebra-Based Approach 2e.

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Uploaded on January 20, 2024
Number of pages 954
Written in 2020/2021
Type Exam (elaborations)
Contains Questions & answers

solutions
solution manual
physics
2nd edition
joanne omeara
sarah johnson
ernie mcfarland
physics an algebra based approach
solution manual physics an algebra based approach

Institution Physics - General Relativity
Module Physics - General Relativity

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Chapter 1

Measurement and Types of Quantities

Exercises

1-1 Answers will vary.

(a) Food can be sweet, salty, bitter, sour, or umami (savory).

(b) An odour can be musty, smoky, fruity, etc.

1-2 Answers will vary. Examples of qualitative descriptions are friendly, fun-loving, honest;

examples of quantitative descriptions can be height, mass, shoe size.

1-3 (a) quantitative (b) qualitative (c) qualitative (d) quantitative (e) quantitative (f)

quantitative

1-4 Answers will vary.

 time: time to recharge a battery; time available between classes

 length: height adjustment of a bicycle seat; distance from home to work or school

 mass: mass of frozen food defrosting in a microwave oven; mass of a parcel sent

by courier

 volume: volume of books that a knapsack can hold; volume of water needed to

keep hydrated during a long-distance run

1-5 Answers will vary. Electrical voltage: 6.0 V; temperature: 100℃; power: 60 W

1-1

,Physics: An Algebra-Based Approach

1-6 Some of the disadvantages are

• Most celestial bodies that are visible at night are not visible during the daytime, and

vice versa.

• Cloudy conditions interfere with observation of any celestial body.

• Accuracy is difficult to achieve.

• Convenience is minimal.

1-7 Theoretical aspects of physics involve posing questions, creating ideas to research

answers to those questions, experimenting, measuring, analyzing, and collaborating,

which leads to theories and more questions. The theoretical research and discovery leads

to applications that, in most cases, help to improve our lives. One example is the

discovery of current electricity, which has led to countless, very useful, electrical devices.

1-8 The original metre was defined in terms of the distance from the equator to the North

Pole, a distance that could only be assumed because it was impossible to measure. The

original second was defined in terms of a mean solar day, a quantity that is not constant

because Earth’s rotation is very gradually slowing down.

Length 2  10 26 m
1-9 (a)   15
 2  10 41
length 1  10 m

Time 5  1017 s
(b)  25
 1.7  1042
time 3  10 s

Mass 1  1053 kg
(c)   1  1083
mass 9  10 31 kg

Mass has by far the greatest range of values.

1-2

, Chapter 1—Measurement and Types of Quantities

1-10 In seconds, $1  10 9  1 s  1  10 9 s.
$

In years, $1 109  1 s  1 year7  31 years.
$ 3.2  10 s

8  10 41 kg
1-11 # stars =  4  1011 stars
kg
2  1030
star

2  1030 kg
1-12 # atoms =  1 1057 atoms
27 kg
1.7  10
atom

1-13 (a) 8.4 × 1015 (b) 8 × 1036 (c) 8.0 × 108 (d) 1.94 × 105 m/s

1-14 A base unit is a standard unit of measurement from which other units may be derived. In

the SI, examples are the metre (m), kilogram (kg), and second (s). A derived unit is a

measurement unit stated in terms of one or more base units. Examples are a unit for speed

(m/s), a unit for surface area (m²), and a unit for solid volume (m³).

1-15 Four examples are watt (W = kg∙m2∙s–3), pascal (Pa = kg∙s–2), volt (V = kg∙m2∙s–3∙A–1), and

becquerel (Bq = s–1).

1-16 Some of the patterns are the prefixes from 103 to 10–3 change by a factor 101; the

remaining prefixes change by a factor of 103; the symbols for the large numbers (from

mega upward) are capital letters, and all the other symbols are lower case; the origins of

the prefixes are all non-English words; some original meanings relate to the power of 10

1-3

, Physics: An Algebra-Based Approach

(e.g., Greek femten, or 15, is used for 10–15), while some others relate to a power of 103

(e.g., Italian setta or 7 is (103)7 or 1021).

m
1-17 (a) 1.3  10 1 dam  101  1.3 m
dam

1m
(b) 30 nm   3  10 8 m
10 9 nm

1000 m
(c) 1.23  10 4 km   1.23  10 7 m
km

31012 m
(d) 1.486 10 Tm  1.486 109 m
Tm

1s
1-18 (a) 20 ms   2  10 2 s
10 3 ms

1 m 106 μm
(b) 8.6 cm  2
  8.6 104 μm
10 cm m

1 Mg
(c) 3.28 g  6
 3.28 106 Mg
10 g

103 kHz
(d) 105 MHz   1.05 105 kHz
1 MHz

2.4 103 MW 103 mW 106 W 2.4 106 mW
(e)   
m2 W MW m2

9.8 m 1 s 1s 9.8 1012 m
(f)   
s2 106 μs 106 μs μs2

4.7 g 1 kg 106 cm3 4.7 103 kg
(g)   
cm3 103 g m3 m3

53 people 1 km2 104 m2 0.53 people
(h)  6 2 
km2 10 m ha ha

1-4

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