College Physics 12th Edition Raymond A. Serway Test Bank
Chapter 01 12e Serway
Indicate the answer choice that best completes the statement or answers the question.
1. The ratio T/m of the prefixes M and m has what value?
All Chapters ✅
a. 1016
b. 1014 Answers Included ✅
c. 1015
d. 1017
2. Approximately how many water molecules are in a lake with a volume of 12 100 km3? A water molecule
measures approximately 2.75 × 10¯10 m in length.
a. 2E+15
b. 5E+22
c. 4E+14
d. 6E+41
3. Vector 1 is 7 units long and is at 70°. Vector 2 is 5 units long and is at 155°. Vector 3 is 3 units long and is at
225°. Which vector has equal-magnitude components?
a. Vector 1
b. Vector 2
c. Vector 3
d. None of the vectors has equal-magnitude components.
4. Of vectors with lengths 5 m, 3 m, and 4 m, which has the greatest magnitude x component?
a. the one with length 5 m
b. the one with length 3 m
c. the one with length 4 m
d. It could be any of the three.
5. Suppose the interior angles of a triangle are φ1, φ2, and φ3, with φ1 > φ2 > φ3. Which side of the triangle is
the shortest?
a. The side opposite φ1.
b. The side opposite φ2.
c. The side opposite φ3.
d. More information is needed unless the triangle is a right triangle.
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,Name: Class: Date:
Chapter 01 12e Serway
6. For which of the values below is x > x7?
a. x = –2.0
b. x = 0
c. x = 1.0
d. x = 2.0
e. x = 4.0
7. Vector is 2 m long, and vector is 5 m long. The length of the sum of the vectors must be
a. 6 m.
b. 7 m.
c. 13 m.
d. some value from 3 m to 7 m.
e. 3 m.
8. When three vectors are added graphically and form a closed triangle, the largest enclosed angle between any
two of the vectors cannot be greater than
a. 60°.
b. 90°.
c. 180°.
d. No maximum exists.
9. Water flows into a swimming pool at the rate of 7.0 gal/min. The pool is 17 ft wide, 32 ft long and 7.0 ft deep.
How long does it take to fill? (1 U.S. gallon = 231 cubic inches)
a. 34 hours
b. 68 hours
c. 67 hours
d. 136 hours
e. 680 hours
10. A triangle has sides of length 7 cm and 11 cm. If the triangle is a right triangle, which of the following could be
the length of the third side, to the nearest centimeter?
a. 11 cm
b. 8 cm
c. 16 cm
d. 17 cm
e. 7 cm
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,Name: Class: Date:
Chapter 01 12e Serway
11. A furlong is a distance of 220 yards. A fortnight is a time period of two weeks. A race horse is running at a
speed of 6.00 yards per second. What is his speed in furlongs per fortnight?
a. 3.30E+4 furlongs/fortnight
b. 4.71E+3 furlongs/fortnight
c. 3.31E+4 furlongs/fortnight
d. 3.33E+4 furlongs/fortnight
e. 3.28E+4 furlongs/fortnight
12. A physics class in a large lecture hall has 150 students. The total mass of the students is about ____ kg.
a. 104
b. 105
c. 106
d. 107
e. 108
13. Find the sum of the following two vectors: (i) 50 units due east and (ii) 100 units 30° south of west.
a. 100 units 30° south of west
b. 62 units 54° south of west
c. 87 units 60° south of west
d. 62 units 15° south of west
14. Suppose an equation relating position, x, to time, t, is given by x = bt3 + ct4, where b and c are constants. The
dimensions of b and c are respectively:
a. T3, T4.
b. 1/T3, 1/T4.
c. L/T3, L/T4.
d. L2⋅T3, L2⋅T4.
15. A marble has a radius of 16 mm. Approximately how many marbles will fit in a cube-shaped container with each
side equal to 36 cm?
a. 20
b. 510
c. 1 420
d. 80
16. Which of the following is an example of a vector quantity?
a. velocity
b. temperature
c. volume
d. mass
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, Name: Class: Date:
Chapter 01 12e Serway
17. If the displacement of an object, x, is related to velocity, v, according to the relation x = Av, the constant, A, has
the dimension of which of the following?
a. acceleration
b. length
c. time
d. area
18. The mass of a star is 8.0 × 1030 kg, and the mass of a hydrogen atom is 1.67 × 10−27 kg. If we assume that the
star is mostly composed of hydrogen, approximately how many atoms are there in the star?
a. 1.3E+4 atoms
b. 2.1E–58 atoms
c. 4.8E+57 atoms
d. 8.0E+30 atoms
19. A cement truck can pour 160 cubic yards of cement per hour. Express this in ft3/min.
a. 480 ft3/min
b. 2.67 ft3/min
c. 24.0 ft3/min
d. 8.00 ft3/min
e. 72.0 ft3/min
20. A student adds two vectors with magnitudes of 200 and 70. Which one of the following is the only possible
choice for the magnitude of their sum?
a. 100
b. 280
c. 200
d. 70
21. Calculate (0.83 + 0.049)(4.4 × 103), keeping only significant figures.
a. 3 900
b. 3 868
c. 3 886
d. 4 000
22. An airplane takes off due west at an angle of 16.0° with the horizontal. When the airplane is at a vertical height
of 400 ft, what is its displacement vector? Let east be the +x direction and +z be upwards.
a. (385 + 400 ) ft
b. (–110 – 400 ) ft
c. (717 – 400 ) ft
d. (–1 390 + 400 ) ft
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Chapter 01 12e Serway
Indicate the answer choice that best completes the statement or answers the question.
1. The ratio T/m of the prefixes M and m has what value?
All Chapters ✅
a. 1016
b. 1014 Answers Included ✅
c. 1015
d. 1017
2. Approximately how many water molecules are in a lake with a volume of 12 100 km3? A water molecule
measures approximately 2.75 × 10¯10 m in length.
a. 2E+15
b. 5E+22
c. 4E+14
d. 6E+41
3. Vector 1 is 7 units long and is at 70°. Vector 2 is 5 units long and is at 155°. Vector 3 is 3 units long and is at
225°. Which vector has equal-magnitude components?
a. Vector 1
b. Vector 2
c. Vector 3
d. None of the vectors has equal-magnitude components.
4. Of vectors with lengths 5 m, 3 m, and 4 m, which has the greatest magnitude x component?
a. the one with length 5 m
b. the one with length 3 m
c. the one with length 4 m
d. It could be any of the three.
5. Suppose the interior angles of a triangle are φ1, φ2, and φ3, with φ1 > φ2 > φ3. Which side of the triangle is
the shortest?
a. The side opposite φ1.
b. The side opposite φ2.
c. The side opposite φ3.
d. More information is needed unless the triangle is a right triangle.
Page 1
,Name: Class: Date:
Chapter 01 12e Serway
6. For which of the values below is x > x7?
a. x = –2.0
b. x = 0
c. x = 1.0
d. x = 2.0
e. x = 4.0
7. Vector is 2 m long, and vector is 5 m long. The length of the sum of the vectors must be
a. 6 m.
b. 7 m.
c. 13 m.
d. some value from 3 m to 7 m.
e. 3 m.
8. When three vectors are added graphically and form a closed triangle, the largest enclosed angle between any
two of the vectors cannot be greater than
a. 60°.
b. 90°.
c. 180°.
d. No maximum exists.
9. Water flows into a swimming pool at the rate of 7.0 gal/min. The pool is 17 ft wide, 32 ft long and 7.0 ft deep.
How long does it take to fill? (1 U.S. gallon = 231 cubic inches)
a. 34 hours
b. 68 hours
c. 67 hours
d. 136 hours
e. 680 hours
10. A triangle has sides of length 7 cm and 11 cm. If the triangle is a right triangle, which of the following could be
the length of the third side, to the nearest centimeter?
a. 11 cm
b. 8 cm
c. 16 cm
d. 17 cm
e. 7 cm
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,Name: Class: Date:
Chapter 01 12e Serway
11. A furlong is a distance of 220 yards. A fortnight is a time period of two weeks. A race horse is running at a
speed of 6.00 yards per second. What is his speed in furlongs per fortnight?
a. 3.30E+4 furlongs/fortnight
b. 4.71E+3 furlongs/fortnight
c. 3.31E+4 furlongs/fortnight
d. 3.33E+4 furlongs/fortnight
e. 3.28E+4 furlongs/fortnight
12. A physics class in a large lecture hall has 150 students. The total mass of the students is about ____ kg.
a. 104
b. 105
c. 106
d. 107
e. 108
13. Find the sum of the following two vectors: (i) 50 units due east and (ii) 100 units 30° south of west.
a. 100 units 30° south of west
b. 62 units 54° south of west
c. 87 units 60° south of west
d. 62 units 15° south of west
14. Suppose an equation relating position, x, to time, t, is given by x = bt3 + ct4, where b and c are constants. The
dimensions of b and c are respectively:
a. T3, T4.
b. 1/T3, 1/T4.
c. L/T3, L/T4.
d. L2⋅T3, L2⋅T4.
15. A marble has a radius of 16 mm. Approximately how many marbles will fit in a cube-shaped container with each
side equal to 36 cm?
a. 20
b. 510
c. 1 420
d. 80
16. Which of the following is an example of a vector quantity?
a. velocity
b. temperature
c. volume
d. mass
Page 3
, Name: Class: Date:
Chapter 01 12e Serway
17. If the displacement of an object, x, is related to velocity, v, according to the relation x = Av, the constant, A, has
the dimension of which of the following?
a. acceleration
b. length
c. time
d. area
18. The mass of a star is 8.0 × 1030 kg, and the mass of a hydrogen atom is 1.67 × 10−27 kg. If we assume that the
star is mostly composed of hydrogen, approximately how many atoms are there in the star?
a. 1.3E+4 atoms
b. 2.1E–58 atoms
c. 4.8E+57 atoms
d. 8.0E+30 atoms
19. A cement truck can pour 160 cubic yards of cement per hour. Express this in ft3/min.
a. 480 ft3/min
b. 2.67 ft3/min
c. 24.0 ft3/min
d. 8.00 ft3/min
e. 72.0 ft3/min
20. A student adds two vectors with magnitudes of 200 and 70. Which one of the following is the only possible
choice for the magnitude of their sum?
a. 100
b. 280
c. 200
d. 70
21. Calculate (0.83 + 0.049)(4.4 × 103), keeping only significant figures.
a. 3 900
b. 3 868
c. 3 886
d. 4 000
22. An airplane takes off due west at an angle of 16.0° with the horizontal. When the airplane is at a vertical height
of 400 ft, what is its displacement vector? Let east be the +x direction and +z be upwards.
a. (385 + 400 ) ft
b. (–110 – 400 ) ft
c. (717 – 400 ) ft
d. (–1 390 + 400 ) ft
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