Chapter 22
Heat Engines, Entropy, & the Second Law of
Thermodynamics
Multiple Choice
1.
A gasoline engine absorbs 2500 J of heat and performs 1000 J of mechanical work
in each cycle. The efficiency of the engine is
a.
b.
c.
d.
e.
2.
A gasoline engine abso
Chapter 21
The Kinetic Theory of Gases
Multiple Choice
1.
A container having a volume of 1.0 m3 holds 5.0 moles of helium gas at 50C. If
the helium behaves like an ideal gas, the total energy of the system is
a.
b.
c.
d.
e.
2.
A container having a volume
Chapter 20
Heat and the First Law of Thermodynamics
Multiple Choice
1.
Determine the heat capacity (in calories/C) of a lake containing one million
gallons (approximately 4 million kilograms) of water at 15C.
a.
b.
c.
d.
e.
2.
How many calories of heat ar
Chapter 18
Superposition and Standing Waves
Multiple Choice
1.
Two harmonic waves are described by
700
4
y1 = ( 3 m ) sin x
t
m
s
700
4
y 2 = (3 m) sin x
t 2
s
m
What is the amplitude of the resultant wave?
a.
b.
c.
d.
e.
2.
8.0 m
4.3 m
6.0 m
3.2 m
3.0
Chapter 16
Wave Motion
Multiple Choice
1.
The wavelength of light visible to the human eye is on the order of 5 107 m. If
the speed of light in air is 3 108 m/s, find the frequency of the lightwave.
a.
b.
c.
d.
e.
2.
The speed of a 10-kHz sound wave in se
Chapter 19
Temperature
Multiple Choice
1.
In order to understand the concept of temperature it is necessary to understand
a.
b.
c.
d.
e.
2.
In order for two objects to have the same temperature, they must
a.
b.
c.
d.
e.
3.
68.3
1.8
31.8
11.8
8.5
A pressur
Chapter 17
Sound Waves
Multiple Choice
1.
The velocity of sound in sea water is 1533 m/s. Find the bulk modulus (in N/m2)
of sea water if its density is 1.025 103 kg/m3.
a.
b.
c.
d.
e.
2.
A sculptor strikes a piece of marble with a hammer. Find the speed
Chapter 15
Oscillatory Motion
Multiple Choice
1.
A body of mass 5.0 kg is suspended by a spring which stretches 10 cm when the
mass is attached. It is then displaced downward an additional 5.0 cm and
released. Its position as a function of time is approxi
Chapter 14
Fluid Mechanics
Multiple Choice
1.
A stonecutters chisel has an edge area of 0.7 cm2. If the chisel is struck with a
force of 42 N, what is the pressure exerted on the stone?
a.
b.
c.
d.
e.
2.
When water freezes, it expands about 9 percent. Wha
Chapter 12
Static Equilibrium and Elasticity
Multiple Choice
1.
A uniform ladder 15 ft long is leaning against a frictionless wall at an angle of 53
above the horizontal. The weight of the ladder is 30 pounds. A 75-lb boy climbs
6.0-ft up the ladder. What
Chapter 11
Angular Momentum
Multiple Choice
1.
Two vectors lying in the xy plane are given by the equations A = 5i + 2 j and
B=2 i 3 j . The value of A B is
a.
b.
11 k
c.
19 k
d.
11 k
e.
2.
19 k
10 i j
Two vectors lying in the xz plane are given by the eq
Chapter 13
Universal Gravitation
Multiple Choice
1.
A satellite circles planet Roton every 2.8 h in an orbit having a radius of
1.2 107 m. If the radius of Roton is 5.0 106 m, what is the magnitude of the
free-fall acceleration on the surface of Roton?
a.
Chapter 10
Rotation of a Rigid Object About a Fixed Axis
Multiple Choice
1.
At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration has
an angular velocity of 2.0 rad/s. Two seconds later it has turned through 5.0
complete revolut
Chapter 8
Potential Energy
Multiple Choice
1.
A single conservative force Fx = (6.0x 12) N (x is in m) acts on a particle moving
along the x axis. The potential energy associated with this force is assigned a
value of +20 J at x = 0. What is the potential
Chapter 9
Linear Momentum and Collisions
Multiple Choice
1.
A 2000-kg truck traveling at a speed of 6.0 m/s makes a 90 turn in a time of 4.0 s
and emerges from this turn with a speed of 4.0 m/s. What is the magnitude of
the average resultant force on the
Chapter 5
The Laws of Motion
Multiple Choice
1.
In the figure, if the tension in string 1 is 34 N and the tension in string 2 is 24 N,
what is the mass of the object shown?
1
2
40
40
M
a.
b.
c.
d.
e.
2.
7.3 kg
5.5 kg
1.8 kg
3.7 kg
4.5 kg
If M = 2.0 kg, wh
Chapter 7
Energy and Energy Transfer
Multiple Choice
1.
A constant force of 12 N in the positive x direction acts on a 4.0-kg object as it
moves from the origin to the point ( 6 8 ) m. How much work is done by the
i j
given force during this displacement?
Chapter 4
Motion in Two Dimensions
Multiple Choice
1.
At t = 0, a particle leaves the origin with a velocity of 9.0 m/s in the positive y
direction and moves in the xy plane with a constant acceleration of
(2.0i 4.0j) m/s2 . At the instant the x coordinat
Chapter 3
Vectors
Multiple Choice
On occasion, the notation A = [A, ] will be a shorthand notation for
i
A = Acos + Asin .
j
1.
i
j
If A = [15, 80] and B = 12 16 , what is the magnitude of A B ?
a.
b.
c.
d.
e.
2.
15
35
32
5.0
23
Vectors A and B are shown.
Chapter 2
Motion in One Dimension
Multiple Choice
1.
The position of a particle moving along the x axis is given by
x = 21 + 22t 6.0t 2 m , where t is in s. What is the average velocity during the
time interval t = 1.0 s to t = 3.0 s?
(
a.
b.
c.
d.
e.
2.
Chapter 6
Circular Motion and Other Applications
of Newtons Law
Multiple Choice
1.
A race car travels 40 m/s around a banked (45 with the horizontal) circular
(radius = 0.20 km) track. What is the magnitude of the resultant force on the
80-kg driver of th
Chapter 1
Physics and Measurement
Multiple Choice
1.
Which of the following products of ratios gives the conversion factor to convert
mi
m
miles per hour
to meters per second ?
h
s
a.
b.
c.
d.
e.
2.
12 in
f
12 in
f
1 f
12 in
12 in
f
12 in
f
1 in
2.
21
The Kinetic Theory of Gases
CHAPTER OUTLINE
21.1 21.2 21.3 21.4 21.5 Molecular Model of an Ideal Gas Molar Specic Heat of an Ideal Gas Adiabatic Processes for an Ideal Gas The Equipartition of Energy Distribution of Molecular Speeds
ANSWERS TO QUESTION
22
Heat Engines, Entropy, and the Second Law of Thermodynamics
CHAPTER OUTLINE
22.1 22.2 22.3 22.4 22.5 22.6 22.7 22.8 Heat Engines and the Second Law of Thermodynamics Heat Pumps and Refrigerators Reversible and Irreversible Processes The Carnot Engine G
15
Oscillatory Motion
CHAPTER OUTLINE
15.1 15.2 15.3 15.4 Motion of an Object Attached to a Spring The Particle in Simple Harmonic Motion Energy of the Simple Harmonic Oscillator Comparing Simple Harmonic Motion with Uniform Circular Motion The Pendulum D
20
Heat and the First Law of Thermodynamics
CHAPTER OUTLINE
20.1 20.2 20.3 20.4 20.5 20.6 20.7 Heat and Internal Energy Specic Heat and Calorimetry Latent Heat Work and Heat in Thermodynamic Processes The First Law of Thermodynamics Some Applications of t
18
Superposition and Standing Waves
CHAPTER OUTLINE
18.1 18.2 18.3 18.4 18.5 18.6 18.7 18.8 Superposition and Interference Standing Waves Standing Waves in a String Fixed at Both Ends Resonance Standing Waves in Air Columns Standing Waves in Rod and Membr
19
Temperature
CHAPTER OUTLINE
19.2 19.3 Thermometers and the Celsius Temperature Scale The Constant-Volume Gas Thermometer and the Absolute Temperature Scale Thermal Expansion of Solids and Liquids Macroscopic Description of an Ideal Gas
ANSWERS TO QUEST
16
Wave Motion
CHAPTER OUTLINE
16.1 16.2 16.3 16.5 16.6 Propagation of a Disturbance The Traveling Wave Model The Speed of Waves on Strings Rate of Energy Transfer by Sinusoidal Waves on Strings The Linear Wave Equation
ANSWERS TO QUESTIONS
Q16.1 As the p