College Physics Explore and Apply, 3rd edition Eugenia Etkina Gorazd Planinsic Joshua
Rutberg Alan Van Heuvelen
Chapters 1-30
Chapter 1 Introduction Physics
1.1 Conceptual Questions
1) In the product A, B, and C, the quantity A has 5 significant figures, B has 2 significant figures,
and C has 3 significant figures. How many significant figures does the product have?
A) 10
B) 5
C) 4
D) 3
E) 2
Answer: E
A
2) In the quotient , the quantity A has 5 significant figures, B has 2 significant figures, and
B C
C has 3 significant figures. How many significant figures does the quotient have?
A) 2
B) 3
C) 4
D) 0
E) 1
Answer: A
3) How many significant figures are in the number 0.0037010?
A) eight
B) seven
C) six
D) five
E) four
Answer: D
4) How many significant figures are in the number 0.010?
A) four
B) three
C) two
D) one
,Answer: C
5) How many significant figures are in the number 120.070?
A) three
B) four
C) five
D) six
Answer: D
6) The number of significant figures in 10001 is
A) two
B) three
C) five
D) six
Answer: C
7) The number of significant figures in 0.01500 is
A) two
B) three
C) four
D) five
Answer: C
8) The number of significant figures in 0.040 is
A) one
B) two
C) three
D) four
Answer: B
9) Which of the following numbers has 4 significant figures; which has 5 significant figures?
A) 3001
B) 0.00370
C) 4774.00
D) 29.290
Answer: (A) has 4 significant figures; (D) has 5 significant figures
10) In a parallel universe, the quantity has the value 3.14049. Express in that universe to
, A) four significant figures
B) five significant figures
Answer:
(A) 3.140;
(B) 3.1405
11) A reasonable estimate for the mass of a typical female college student is
A) 300 k g
B) 200 k g
C) 150 k g
D) 50 k g
E) 20 k g
Answer: D
12) A reasonable estimate for the height of an ordinary adult male is
A) 50 c m
B) 70 c m
C) 200 c m
D) 300 c m
Answer: C
13) A reasonable estimate for the mass of a typical new-born baby is
A) 1 k g
B) 3 k g
C) 10 k g
D) 20 k g
Answer: B
14) A reasonable estimate for the height of the walls of a room in an ordinary American home is
A) 10 m
B) 8 m
C) 2.5 m
D) 1.5 m
Answer: C
15) A reasonable estimate for the duration of a typical physics lecture is
A) 600 s
B) 1000 s
C) 3500 s
, D) 10,000 s
Answer: C
16) A reasonable estimate for the mass of an ordinary passenger car is
A) 100 k g
B) 1000 k g
C) 5000 k g
D) 10,000 k g
Answer: B
1.2 Problems
1) What is the product of 12.56 and 2.12 expressed to the correct number of significant figures?
A) 27
B) 26.6
C) 26.23
D) 26.627
Answer: B
2) What is the quotient of 2.43 4.561 expressed to the correct number of significant figures?
A) 5.3278 101
B) 5.328 101
C) 5.33 101
D) 5.3 101
Answer: C
0.674
3) What is expressed to the correct number of significant figures?
0.74
A) 0.9
B) 0.91
C) 0.911
D) 0.9108
Answer: B
4) 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. Rounded properly to the correct number of significant
figures, the area of the rectangle should be written as
A) 0.68 m2