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College Physics A Strategic Approach 2nd Edition by Knight - Test Bank
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College Physics A Strategic Approach 2nd Edition by Knight - Test Bank
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,College Physics, 2e (Knight)Chapter 1 Representing Motion
1.1 Quantitative
1) The following conversion equivalents are given:
1 gal = 231 in3 1 ft = 12 in 1 min = 60 s
A pipe delivers water at the rate of 95 gal/min. The rate, in in3/s, is closest to:
A) 0.21
B) 0.19
C) 0.17
D) 0.15
E) 0.14
Answer: A
Var: 50+
2) The following conversion equivalents are given:
1 m = 100 cm 1 in = 2.54 cm 1 ft = 12 in
A bin has a volume of 1.5 m3. The volume of the bin, in ft3, is closest to:
A) 35
B) 41
C) 47
D) 53
E) 59
Answer: D
Var: 1
3) The following conversion equivalents are given:
1 mile = 5280 ft 1 ft = 12 in 1 m = 39.37 in 1 hour = 60 min 1 min = 60 s
A particle has a velocity of 4.7 miles per hour. The velocity, in m/s, is closest to:
A) 2.1
B) 1.7
C) 1.9
D) 2.3
E) 2.5
Answer: A
Var: 50+
4) The following conversion equivalents are given:
1 kg = 1000g 1 l = 1000 cm3 1 l = 0.0353 ft3
The density of a liquid is 0.83 g/cm3. The density of the liquid, in kg/ft3, is closest to:
A) 24
B) 19
C) 21
D) 26
E) 28
Answer: A
Var: 50+
1
Copyright © 2010 Pearson Education, Inc.
,5) A weight lifter can bench press 171 kg. How many milligrams (mg) is this?
A) 1.71 × 108 mg
B) 1.71 × 109 mg
C) 1.71 × 107 mg
D) 1.71 × 106 mg
Answer: A
Var: 50+
6) How many nanoseconds does it take for a computer to perform one calculation if it performs
6.7 × 107 ?
A) 15 ns
B) 67 ns
C) 11 ns
D) 65 ns
Answer: A
Var: 50+
7) A CD-ROM disk can store approximately 600.0 megabytes of information. 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) 5.4 × 109 words
C) 2.1 × 107 words
D) 2.0 × 109 words
Answer: A
Var: 9
8) Your car gets 34.7 mi/gal on a trip. How many kilometers/liter did it get? (3.79 = 1 gal; 1 mi =
1.61 km)
A) 14.7 km/l
B) 9.16 km/l
C) 55.9 km/l
D) 32.4 km/l
Answer: A
Var: 50+
9) The wavelength of a certain laser is 0.66 microns, where 1 micron = 1 x 10-6 m. What is this
wavelength in nanometers? (1 nm = 10-9m)
A) 6.6 × 102 nm
B) 6.6 × 103 nm
C) 6.6 × 101 nm
D) 6.6 × 104 nm
Answer: A
Var: 50+
2
Copyright © 2010 Pearson Education, Inc.
, 10) Express [ 2.2 × 106]-1/2 in scientific notation.
A) 6.7 × 10-4
B) 1.5 × 103
C) 1.5 × 10-5
D) 1.5 × 104
Answer: A
Var: 40
11) An oak tree was planted 22 years ago. How many seconds does this correspond to? (Do not
take leap days into account.)
A) 6.9 × 108
B) 1.2 × 107
C) 2.9 × 107
D) 2.8 × 108
Answer: A
Var: 12
12) A plot of land contains 5.8 acres. How many square meters does it contain? [1 acre = 43,560
ft2.]
A) 2.3 × 104 m2
B) 7.1 × 103 m2
C) 7.0 × 104 m2
D) 5.0 × 104 m2
Answer: A
Var: 50+
13) A person on a diet loses 1.6 kg in a week. How many micrograms/second (µg/s) are lost?
A) 2.6 × 103 μg/s
B) 1.6 × 105 μg/s
C) 44 μg/s
D) 6.4 × 104 μg/s
Answer: A
Var: 11
14) Which of the following is a reasonable estimate of the number of characters (typed letters or
numbers) in a 609 page book? Assume an average of 194 words/page and a reasonable average
number of letters/word.
A) 5 × 105 char
B) 5 × 107 char
C) 5 × 106 char
D) 5 × 104 char
Answer: A
Var: 50+
3
Copyright © 2010 Pearson Education, Inc.
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