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Test Bank for College Physics 12th Edition by Raymond A. Serway Test Bank A+
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Created By: A SolutionTest Bank for College Physics 12th Edition by Raymond A. Serway Test
Bank A+
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?
a. 1016
b. 1014
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.
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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.
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)
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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
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
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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
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
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