Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (5th Edition) – Randall D. Knight | Complete Test Bank for All Chapters

kjhgfd


TEST BANK

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics,

By Randall D Knight
5th edition
N
U
R
SE
D
O
C
S


jhgfdsa

, kjhgfd



Chapter 1

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
1)
1) Estimation: Estimate the number of times the earth will rotate on its axis during a
human's lifetime.
A) 3 × 107 B) 3 × 104 C) 3 × 106 D) 3 × 108 E) 3 × 105
2)
N
2) Estimation: Approximately how many pennies would you have to stack to reach an
average 8-foot ceiling?
A) 2 × 104 B) 2 × 103 C) 2 × 105 D) 2 × 106 E) 2 × 102
U
3) Scientific notation: 0.00325 × 10-8 cm can also be expressed in mm as 3)
A) 3.25 × 10-12 mm.
R
B) 3.25 × 10-11 mm.
C) 3.25 × 10-8 mm.
D) 3.25 × 10-10 mm.
SE
E) 3.25 × 10-9 mm.


4) Significant figures: Add 3685 g and 66.8 kg and express your answer in milligrams 4)
(mg).
A) 7.05 × 104 mg B) 7.05 × 106 mg
C) 7.05 × 107 mg D) 7.05 × 105 mg
D
5) Estimation: The mass of a typical adult woman is closest to 5)
A) 150 kg. B) 35 kg. C) 20 kg. D) 75 kg.
O
6) Metric system: Scientists use the metric system chiefly because it is more accurate than 6)
the English system.
C
A) True B) False


7) Significant figures: What is the product of 11.24 and 1.95 written with the correct 7)
S
number of significant figures?
A) 22 B) 21.9 C) 21.92 D) 21.918 E) 21.9180


8) Estimation: The height of the ceiling in a typical home, apartment, or dorm room is 8)
closest to
A) 400 cm. B) 100 cm. C) 500 cm. D) 200 cm.




jhgfdsa

, kjhgfd

9) Estimation: Approximately how many times does an average human heart beat in a 9)
lifetime?
A) 3 × 109 B) 3 × 108 C) 3 × 1011 D) 3 × 107 E) 3 × 1010


10) Conversion of units: If a woman weighs 125 lb, her mass expressed in kilograms is x kg, 10)
where x is
A) less than 125. B) greater than 125.


11) Significant figures: What is the sum of 1.53 + 2.786 + 3.3 written with the correct 11)
number of significant figures?
A) 8 B) 7.6 C) 7.62 D) 7.616 E) 7.6160
N
12) Conversion of units: A plot of land contains 5.8 acres. How many square meters does it 12)
contain? [1 acre = 43,560 ft2]
U
A) 7.1 × 103 m2 B) 2.3 × 104 m2 C) 7.0 × 104 m2 D) 5.0 × 104 m2


13) Conversion of units: If a flower is 6.5 cm wide, its width expressed in millimeters is x
R
13)
mm, where x is
A) less than 6.5. B) greater than 6.5.
SE
14) Significant figures: What is the result of 1.58 ÷ 3.793 written with the correct number of
14)
significant figures?
A) 4.17 × 10-1
B) 4.2 × 10-1
C) 4.1656 × 10-1
D) 4.166 × 10-1
D
E) 4 × 10-1
O
15) Significant figures: What is 34 + (3) × (1.2465) written with the correct number of
significant figures? 15)
A) 38 B) 4 × 101 C) 37.7395 D) 37.7 E) 37.74
C
16) Conversion of units: If an operatic aria lasts for 5.75 min, its length expressed in seconds
is x s, where x is 16)
A) greater than 5.75. B) less than 5.75.
S
17) Conversion of units: A weight lifter can bench press 171 kg. How many milligrams (mg)
is this? 17)
A) 1.71 × 108 mg B) 1.71 × 109 mg
C) 1.71 × 107 mg D) 1.71 × 106 mg




jhgfdsa

, kjhgfd

18) Conversion of units: A certain CD-ROM disk can store approximately 6.0 × 102 18)
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?
A) 6.7 × 107 words B) 2.0 × 109 words
C) 2.1 × 107 words D) 5.4 × 109 words

19) Metric system: The current definition of the standard kilogram of mass is based on 19)
A) the mass of the earth.
B) the mass of a cesium-133 atom.
C) the mass of the sun.
D) the mass a particular object kept in France.
N
20) Conversion of units: The following exact conversion equivalents are given: 1 m = 100 cm 20)
2.54 cm, and
U
1 ft = 12 in. If a computer screen has an area of 1.27 ft2, this area is closest to
A) 0.118 m2.
B) 0.284 m2.
R
C) 0.00284 m2.
D) 0.0465 m2.
E) 4.65 m2.
SE
21) Significant figures: The length and width of a rectangle are 1.125 m and 0.606 m,
21)
respectively. Multiplying, your calculator gives the product as 0.68175. Rounding
properly to the correct number of significant figures, the area should be written as
A) 0.6818 m2.
B) 0.7 m2.
D
C) 0.68 m2.
D) 0.682 m2.
E) 0.68175 m2.
O
22) Significant figures: What is the value of π(8.104)2, written with the correct number of
significant figures? 22)
C
A) 206.3 B) 200 C) 206.323 D) 206 E) 206.324


23) Metric system: The current definition of the standard second of time is based on 23)
S
A) the duration of one year.
B) the frequency of radiation emitted by cesium atoms.
C) the oscillation of a particular pendulum kept in France.
D) the earth's rotation rate.




jhgfdsa