Chapters, 100% Original Verified, A+ Grade)
Answers At The End Of Each Chapter TESTBANK
Chapter 1
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) Metric system: The current definition of the standard second of time is based on 1)
A) the earth's rotation rate.
B) the frequency of radiation emitted by cesium atoms.
C) the oscillation of a particular pendulum kept in France.
D) the duration of one year.
2) Metric system: The current definition of the standard kilogram of mass is based on 2)
A) the mass of the sun.
B) the mass of the earth.
C) the mass a particular object kept in France.
D) the mass of a cesium-133 atom.
3) Significant figures: The number 0.003010 has 3)
A) 6 significant figures. B) 4 significant figures.
C) 2 significant figures. D) 7 significant figures.
4) Conversion of units: A person on a diet loses 1.6 kg in a week. How many 4)
micrograms/second (µg/s) are lost?
A) 2.6 × 103 µg/s B) 44 µg/s
C) 1.6 × 105 µg/s D) 6.4 × 104 µg/s
5) Estimation: Approximately how many pennies would you have to stack to reach an 5)
average 8-foot ceiling?
A) 2 × 103 B) 2 × 105 C) 2 × 104 D) 2 × 102 E) 2 × 106
6) Scientific notation: 0.00325 × 10-8 cm can also be expressed in mm as 6)
A) 3.25 × 10-11 mm.
B) 3.25 × 10-9 mm.
C) 3.25 × 10-12 mm.
D) 3.25 × 10-10 mm.
E) 3.25 × 10-8 mm.
7) Significant figures: What is 0.2052/3, expressed to the proper number of significant 7)
figures?
A) 0.3 B) 0.3477 C) 0.348 D) 0.35
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, 8) Significant figures: If, in a parallel universe, π has the value 3.14149, express π in that 8)
universe to four significant figures.
A) 3.142 B) 3.1414 C) 3.1415 D) 3.141
9) Conversion of units: If an operatic aria lasts for 5.75 min, its length expressed in seconds 9)
is x s, where x is
A) greater than 5.75. B) less than 5.75.
10) Conversion of units: Convert a speed of 4.50 km/h to units of ft/min. (1.00 m = 3.28 ft) 10)
A) 886 ft/min
B) 0.246 ft/min
C) 246 ft/min
D) 82.3 ft/min
E) 165 ft/min
11) Significant figures: The length and width of a rectangle are 1.125 m and 0.606 m, 11)
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) 0.68 m2.
B) 0.682 m2.
C) 0.6818 m2.
D) 0.7 m2.
E) 0.68175 m2.
12) Estimation: A marathon is 26 mi and 385 yd long. Estimate how many strides would be 12)
required to run a marathon. Assume a reasonable value for the average number of
feet/stride.
A) 4.5 × 104 strides B) 4.5 × 106 strides
C) 4.5 × 105 strides D) 4.5 × 103 strides
13) Significant figures: When adding two numbers, the number of significant figures in the 13)
sum is equal to the number of significant figures in the least accurate of the numbers
being added.
A) True B) False
14) Significant figures: What is the product of 11.24 and 1.95 written with the correct
14)
number of significant figures?
A) 22 B) 21.9 C) 21.92 D) 21.918 E) 21.9180
15) Conversion of units: The exhaust fan on a typical kitchen stove pulls 600 CFM (cubic
15)
feet per minute) through the filter. Given that 1.00 in. = 2.54 cm, how many cubic meters
per second does this fan pull?
A) 3.05 m3/sec B) 0.283 m3/sec C) 32.8 m3/sec D) 0.328 m3/sec
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,16) Dimensional analysis: The position x, in meters, of an object is given by the equation x = 16)
A + Bt + Ct2, where t represents time in seconds. What are the SI units of A, B, and C?
A) m, s, s
B) m, m, m
C) m, s, s2
D) m/s, m/s2, m/s3
E) m, m/s, m/s2
17) Scientific notation: Convert 1.2 × 10-3 to decimal notation. 17)
A) 1.200 B) 0.1200 C) 0.0120 D) 0.0012 E) 0.00012
18) Significant figures: Express (4.3 × 106)-1/2 in scientific notation. 18)
A) 2.1 × 10-5 B) 4.8 × 10-4 C) 2.1 × 103 D) 2.1 × 104
19) Metric system: The current definition of the standard meter of length is based on 19)
A) the length of a particular object kept in France.
B) the distance traveled by light in a vacuum.
C) the distance between the earth and the sun.
D) the distance between the earth's equator and north pole.
20) Conversion of units: A plot of land contains 5.8 acres. How many square meters does it 20)
contain? [1 acre = 43,560 ft2]
A) 7.1 × 103 m2 B) 7.0 × 104 m2 C) 5.0 × 104 m2 D) 2.3 × 104 m2
21) Conversion of units: The shortest wavelength of visible light is approximately 400 nm. 21)
Express this wavelength in centimeters.
A) 400 × 10-11 cm
B) 4 × 10-5 cm
C) 4 × 10-9 cm
D) 4 × 10-7 cm
E) 4 × 10-11 cm
22) Significant figures: What is the sum of 1123 and 10.3 written with the correct number of 22)
significant figures?
A) 1.1 × 103
B) 1.13 × 103
C) 1133.3
D) 1133.3000
E) 1133
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, 23) Conversion of units: The following exact conversion equivalents are given: 1 m =
K. K. K. K. K. K. K. K. K. K. K. K. 23) K .
100 cm
K. K.
2.54 cm, and K. K.
1 ft = 12 in. If a computer screen has an area of 1.27 ft2, this area is closest to
K. K. K. K. K . K. K. K. K. K. K. K. K. K. K. K. K. K. K.
A) 0.284 m2. K.
B) 0.00284 m2. K .
C) 0.0465 m2. K .
D) 0.118 m2. K.
E) 4.65 m2. K.
24) K .
24) Conversion of units: A weight lifter can bench press 171 kg. How many
K. K. K. K. K. K. K. K. K. K . K. K .
milligrams (mg) is this?
K. K. K. K.
A) 1.71 × 108 mg K. B) 1.71 × 109 mg
K.
K.
K. K. K.
K.
C) 1.71 × 107 mg K.D) 1.71 × 106 mg
K.
K.
K. K. K.
K.
25) Estimation: Approximately how many times does an average human heart beat in a year?
K. K. K. K. K. K. K. K. K. K. K. K. K. 25)
K .
A) 4 × 107 K. K. B) K. 4 × 109K. K. C) K. 4 × 106
K. K. D) K. 4 × 108
K. K. E) K. 4 × 105
K. K.
26) Significant figures: What is 34 + (3) × (1.2465) written with the correct number
K. K. K. K . K . K. K. K. K. K. K. K. K. 26) K .
of significant figures?
K. K . K.
A) 38 B) K. 37.7 C) K. 37.74 D) K. 37.7395 E) K. 4 × 101
K. K.
27) Conversion of units: If a flower is 6.5 cm wide, its width expressed in
K. K. K. K. K. K. K. K. K. K. K. K. K. 27) K .
millimeters is x mm, where x is
K. K. K. K. K. K. K.
A) less than 6.5. K. B) greater than 6.5. K. K. K. K.
28) Conversion of units: In addition to 1 m = 39.37 in., K . K . K. K . K . K . K . K. K . K . K . the following exact
K . K . 28) K .
conversion equivalents are given: 1 mile = 5280 ft , 1 ft
K . K. K. K. K. K. K. K. K. K. K. K. K. = 12 in , 1 hour = 60
K. K. K. K. K. K. K.
min, and 1 min = 60 s. If a particle has a velocity of
K. K. K. K. K. K. K. K. K . K . K . K . K . K . K . 8.4 miles per hour, its
K. K . K . K .
velocity, in m/s, is closest to
K . K . K . K . K . K .
A) 4.1 m/s. B) 4.5 m/s. K.C) 3.8 m/s. D) K. K. K. K. K. 3.4 m/s. K. E) K. 3.0 m/s.K.
29) K .
29) Estimation: Estimate the number of pennies that would fit in a box one foot long
K. K. K. K. K. K. K. K. K. K. K. K. K. K.
by one foot wide by one foot tall.
K. K. K. K. K. K. K. K.
A) 5 × 104 B) 5 × 103K. C) 5 × 105
K. D) 5 × 102 E) 5 × 106 K. K. K. K. K. K. K. K. K. K. K. K.
30) K .
30) Dimensional analysis: The period of a pendulum is the time it takes the
K . K . K . K . K . K . K . K . K . K . K . K .
pendulum to swing back and forth once. If the only dimensional quantities that
K . K . K. K. K. K. K. K . K. K. K. K. K.
the period depends on are the acceleration of gravity, g, and the length of the
K. K. K. K. K. K. K. K. K. K. K. K. K. K. K.
pendulum, 4, what combination of g andℓ/g
K. 4 must the period be proportional to?
K. K. K. K. K. K. K. K . K. K . K. K . K.
K (Acceleration has SI units of m · s-2.).
. K. K . K . K. K . K. K .
A) gℓ B) gℓ C) D) gℓ2 E) g/ℓ K.
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