Physics for Scientists And Engineers Foundations And Connections 1st Edition by Debora M. Katz - Test Bank

,Chapter 1 - Getting Started.


1. Which of the following products of ratios gives the conversion factor to convert miles per hour to meters per


second ?
a.


b.


c.


d.


e.


ANSWER: d
POINTS: 2
DIFFICULTY: Average

2. The density of an object is defined as
a. the volume occupied by each unit of mass.
b. the amount of mass for each unit of volume.
c. the weight of each unit of volume.
d. the amount of the substance that has unit volume and unit mass.
e. the amount of the substance that contains as many particles as 12 grams of the carbon-12 isotope.
ANSWER: b
POINTS: 1
DIFFICULTY: Easy

3. If you drove day and night without stopping for one year without exceeding the legal highway speed limit in the United
States, the maximum number of miles you could drive would be closest to
a. 8700.
b. 300,000.
c. 500,000.
d. 1,000,000.
e. 32,000,000.
ANSWER: c
POINTS: 2
DIFFICULTY: Average



4. The term occurs in Bernoulli's equation in Chapter 15, with ρ being the density of a fluid and v its speed. The

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,Chapter 1 - Getting Started.
dimensions of this term are
a. M−1L5T2.
b. MLT2.
c. ML−1T−2.
d. M−1L9T−2.
e. M−1L3T−2.
ANSWER: c
POINTS: 2
DIFFICULTY: Average



5. Which of the following quantities has the same dimensions as kinetic energy, ?
2 1
Note: [[a]] = [[g]] = LT− ; [[h]] = L and [[v]] = LT− .
a. ma
b. mvx
c. mvt
d. mgh
e. mgt
ANSWER: d
POINTS: 2
DIFFICULTY: Average

1
6. The quantity with the same units as force times time, Ft, with dimensions MLT− is
a. mv
b. mvr
c. 2
mv r
d. ma
e.


ANSWER: a
POINTS: 2
DIFFICULTY: Average



7. The equation for the change of position of a train starting at x = 0 m is given by . The dimensions of
b are
a. T−3
b. LT−3
c. LT−2
d. LT−1

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, Chapter 1 - Getting Started.
e. 1 1
L− T−
ANSWER: b
POINTS: 2
DIFFICULTY: Average

8. One mole of the carbon-12 isotope contains 6.022 × 1023 atoms. What volume in m3 would be needed to store one mole
of cube-shaped children's blocks 2.00 cm long on each side?
a. 18
4.8 × 10
b. 22
1.2 × 10
c. 23
6.0 × 10
d. 24
1.2 × 10
e. 24
4.8 × 10
ANSWER: a
POINTS: 2
DIFFICULTY: Average




9. Which of the following products of ratios gives the conversion factors to convert meters per second to miles per


hour ?
a.


b.


c.


d.


e.


ANSWER: d
POINTS: 2
DIFFICULTY: Average

10. One U.S. fluid gallon contains a volume of 231 cubic inches. How many liters of gasoline would you have to buy in
3 3
Canada to fill a 14-gallon tank? (Note: 1 L = 10 cm .)
a. 53
b. 21
c. 14
d. 8.0
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