TEST BANK FOR GIANCOLI'S PHYSICS Principles with Applications By Delena Bell Gatch

Conceptual Questions
1) Four students measure the mass of an object, each using a different scale. They record their
results as follows:
Student A B C D
Mass (g ) 49.06 49 50 49.2
Which student used the least precise scale?
A) A
B) B
C) C
D) D
Answer: C
Diff: 1 Page Ref: Sec. 1.4
2) Four students measure the mass of an object, each using a different scale. They record their
results as follows:
Student A B C D
Mass (g ) 49.06 49 50 49.2
Which student used the most precise scale?
A) A
B) B
C) C
D) D
Answer: A
Diff: 1 Page Ref: Sec. 1.4
3) A useful method of expressing very small or very large numbers is
A) scientific notation.
B) arabic numerals.
C) the metric system.
D) roman numerals.
Answer: A
Diff: 1 Page Ref: Sec. 1.4
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Chapter 1: Introduction, Measurement, Estimating
4) All of the following are base units of the SI system except:
A) kilogram.
B) kelvin.
C) meter.
D) volt.
Answer: D
Diff: 1 Page Ref: Sec. 15-1.6
5) Select the list which contains only SI basic units.
A) liter, meter, second, watt
B) joule, kelvin, kilogram, watt
C) candela, kelvin, meter, second
D) joule, newton, second, watt
Answer: C
Diff: 1 Page Ref: Sec. 1.5-1.6
6) How many basic units does the SI system have?
A) four
B) five
C) seven
D) ten
Answer: C
Diff: 1 Page Ref: Sec. 1.5-1.6
7) The base SI unit of time is
A) hour.
B) minute.
C) second.
D) millisecond.
Answer: C
Diff: 1 Page Ref: Sec. 1.5-1.6
8) In the CGS system, what are the fundamental units?
A) Newton, centimeter, second
B) kilogram, meter, second
C) gram, centimeter, minute
D) gram, centimeter, second
Answer: D
Diff: 2 Page Ref: Sec. 1.5-1.6
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Physics: Principles with Applications, Sixth Edition
9) The metric prefix for one one-thousandth is
A) milli.
B) centi.
C) kilo.
D) mega.
Answer: A
Diff: 1 Page Ref: Sec. 1.5-1.6
10) The metric prefix for one one-hundredth is
A) milli.
B) centi.
C) kilo.
D) mega.
Answer: B
Diff: 1 Page Ref: Sec. 1.5-1.6
11) The metric prefix for one thousand is
A) milli.
B) centi.
C) kilo.
D) mega.
Answer: C
Diff: 1 Page Ref: Sec. 1.5-1.6
12) Express the number 0.02 days using a prefix of Table 1-4.
A) 2 decidays
B) 2 centidays
C) 2 millidays
D) 2 microdays
Answer: B
Diff: 1 Page Ref: Sec. 1.5-1.6
13) What is the conversion factor between km/h and m/s?
A) 0.0278 m/s
B) 0.278 m/s
C) 3.60 m/s
D) 16.7 m/s
Answer: B
Diff: 1 Page Ref: Sec. 1.5-1.6
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Chapter 1: Introduction, Measurement, Estimating
14) What is the conversion factor between km/h2 and m/s2?
A) 7.72 ˛ 10-6 m/s2
B) 2.78 ˛ 10-1 m/s2
C) 1.30 ˛ 104 m/s2
D) 3.60 m/s2
Answer: A
Diff: 1 Page Ref: Sec. 1.5-1.6
15) What is the conversion factor between cm2 and m2?
A) 0.01 m2/cm2
B) 0.0001 m2/cm2
C) 100 m2/cm2
D) 10000 m2/cm2
Answer: B
Diff: 1 Page Ref: Sec. 1.5-1.6
16) The position, x, of an object is given by the equation x = A + Bt +Ct2, where t refers to time.
What are the dimensions of A, B, and C?
A) distance, distance, distance
B) distance, time, time2
C) distance, distance/time, distance/time2
D) distance/time, distance/time2, distance/time3
Answer: C
Diff: 2 Page Ref: Sec. 1.8
Quantitative Problems
1) What is the percent uncertainty in the measurement 2.58 ± 0.15 cm?
A) 2.9%
B) 5.8%
C) 8.7%
D) 12%
Answer: B
Diff: 2 Page Ref: Sec. 1.4
2) What, approximately, is the percent uncertainty for the measurement 5.2?
A) 1%
B) 2%
C) 3%
D) 4%
Answer: B
Diff: 2 Page Ref: Sec. 1.4
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Physics: Principles with Applications, Sixth Edition
3) What is the percent uncertainty in the area of a circle whose radius is 1.8 ˛ 104 cm?
A) 1.1%
B) 5.6%
C) 11%
D) 56%
Answer: C
Diff: 3 Page Ref: Sec. 1.4
4) What is the volume, and its approximate uncertainty, of a sphere of radius 1.96 ± 0.01 m?
A) 31.5 ± 0.2 m2
B) 31.5 ± 0.3 m2
C) 31.5 ± 0.4 m2
D) 31.5 ± 0.5 m2
Answer: D
Diff: 3 Page Ref: Sec. 1.4
5) The number of significant figures in 10001 is
A) two.
B) three.
C) five.
D) six.
Answer: C
Diff: 1 Page Ref: Sec. 1.4
6) The number of significant figures in 0.01500 is
A) two.
B) three.
C) four.
D) five.
Answer: C
Diff: 1 Page Ref: Sec. 1.4
7) The number of significant figures in 0.040 is
A) one.
B) two.
C) three.
D) four.
Answer: B
Diff: 1 Page Ref: Sec. 1.4
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Chapter 1: Introduction, Measurement, Estimating
8) Which of the following has three significant figures?
A) 305.0 cm
B) 0.0500 mm
C) 1.00081 kg
D) 8.060 ˛ 1011 m2
Answer: B
Diff: 1 Page Ref: Sec. 1.4
9) What is the sum of 2.67 + 1.976 + 2.1?
A) 6.7
B) 6.75
C) 6.746
D) 6.7460
Answer: A
Diff: 1 Page Ref: Sec. 1.4
10) What is the difference between 103.5 and 102.24?
A) 1.3
B) 1.26
C) 1.260
D) 1.2600
Answer: A
Diff: 1 Page Ref: Sec. 1.4
11) What is the product of 12.56 and 2.12?
A) 27
B) 26.6
C) 26.23
D) 26.627
Answer: B
Diff: 1 Page Ref: Sec. 1.4
12) What is the result of 2.43 d 4.561?
A) 5.3278 ˛ 10-1
B) 5.328 ˛ 10-1
C) 5.33 ˛ 10-1
D) 5.3 ˛ 10-1
Answer: C
Diff: 1 Page Ref: Sec. 1.4
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Physics: Principles with Applications, Sixth Edition
13) What is the cosine of 55e?
A) 0.6
B) 0.57
C) 0.574
D) 0.5736
Answer: B
Diff: 1 Page Ref: Sec. 1.4
14) The length and width of a rectangle are 1.125 m and 0.606 m, 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) 0.68175 m2.
Answer: B
Diff: 1 Page Ref: Sec. 1.4
15) The length and width of a rectangle are 1.125 m and 0.606 m, respectively. You calculate the
rectangle's perimeter by adding these and multiplying by two. Your calculator's display reads
3.462. To the correct number of significant figures, this should be written as
A) 3.5 m.
B) 3.46 m.
C) 3.462 m.
D) 3.4620 m.
Answer: C
Diff: 1 Page Ref: Sec. 1.4
16) A rectangle is 3.25 m long and 1.5 m wide. What is its area?
A) 4.875 m2
B) 4.87 m2
C) 4.80 m2
D) 4.9 m2
Answer: D
Diff: 2 Page Ref: Sec. 1.4
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Chapter 1: Introduction, Measurement, Estimating
17) A rectangular garden measures 15 m long and 13.7 m wide. What is the length of a diagonal
from one corner of the garden to the other?
A) 18 m
B) 19 m
C) 20 m
D) 4.1 ˛ 102 m
Answer: C
Diff: 2 Page Ref: Sec. 1.4
18) Select the smallest value.
A) 15 ˛ 10-3
B) 0.15 ˛ 100
C) 0.00015 ˛ 103
D) 0.00000015 ˛ 106
Answer: A
Diff: 1 Page Ref: Sec. 1.4
19) Write the number 0.00045 in power of ten notation.
A) 4.5 ˛ 10-4
B) 4.5 ˛ 10-3
C) 4.5 ˛ 10-2
D) 4.5 ˛ 10-1
Answer: A
Diff: 1 Page Ref: Sec. 1.4
20) 0.0001776 can also be expressed as
A) 1.776 ˛ 10-4.
B) 17.72 ˛ 104.
C) 1772 ˛ 105.
D) 177.2 ˛ 107.
Answer: A
Diff: 1 Page Ref: Sec. 1.4
21) 4567.89 is properly expressed in scientific notation as
A) 4.56789 ˛ 103.
B) 45.6789 ˛ 102.
C) 456.789 ˛ 101.
D) 4567.89 ˛ 100.
Answer: A
Diff: 1 Page Ref: Sec. 1.4
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