College Physics2nd EditionETKINA Publisher: PEARSONISBN: 9780134605302
College Physics
Solutions for College Physics
Problem 2RQ:
Review Question 2.2 Is the following statement true? If an objects velocity change arrows point to...Problem 3RQ:
Review Question 2.3 Eugenia says that to find the v arrow on a motion diagram you need to subtract...Problem 4RQ:
Review Question 2.4 Jade went hiking between two camps that were separated by about 10 km. She hiked...Problem 5RQ:
Review Question 2.5 A position- versus-time graph representing a moving object is shown in Figure...Problem 6RQ:
Review Question 2.6 Why is the following statement true? Displacement is equal to the area between a...Problem 7RQ:
Review Question 2.7 (a) Give an example in which an object with negative acceleration is speeding...Problem 8RQ:
Review Question 2.8 Explain qualitatively, without algebra, why the displacement of an object moving...Problem 9RQ:
Review Question 2.9 A cars motion with respect to the ground is described by the following function:...Problem 1MCQ:
Match the general elements or physics knowledge (left) with the appropriate examples (right). Model...Problem 2MCQ:
Which group of quantities below consists only of scalar quantities? a. Average speed, displacement,...Problem 3MCQ:
Which of the following are examples of time interval? (1) I woke up at 7 a.m. (2) The lesson lasted...Problem 4MCQ:
A student said. The displacement between my dorm and the lecture hall is 1 kilometer. Is he using...Problem 5MCQ:
An object moves so that its position depends on time as x=+12m(4m/s)t+(1m/s2)t2. Which statement...Problem 6MCQ:
6. Choose the correct approximate velocity-versus-time graph for the following hypothetical motion:...Problem 7MCQ:
Figure Q2.7b shows the position-versus-time graph for a small red dot that was moving along the...Problem 8MCQ:
Oilver takes two identical marbles and drops the first one from a certain height. A short time...Problem 9MCQ:
9. Your car is traveling west at 12 m/s. A stoplight (the origin of the coordinate axis) to the west...Problem 10MCQ:
Which velocity-versus-time graph in Figure Q2.10 best describes the motion of the car in the...Problem 11MCQ:
11. Azra wants to determine the average speed of the high-speed train that operates between Paris...Problem 12MCQ:
A sandbag hangs from a rope attached to a rising hot air balloon. The rope connecting the bag to the...Problem 13MCQ:
An apple falls from a tree. It hits the ground at a speed of about 5.0 m/s. What is the approximate...Problem 14MCQ:
14. You have two small metal balls. You drop the first ball and throw the other one in the downward...Problem 15MCQ:
Which of the graphs in Figure Q2.15 represent the motion of an object that starts from rest and...Problem 16MCQ:
16. You throw a small ball upward and notice the time it takes to come back. If you then throw the...Problem 17CQ:
Figure Q2.17 shows vectors E,F, and G. Draw the following vectors using rules for graphical addition...Problem 18CQ:
Peter is cycling along an 800-m straight stretch of a track. His speed is 13 m/s. Choose all of the...Problem 19CQ:
In what reasonable ways can you represent or describe the motion of a car traveling from one...Problem 20CQ:
What is the difference between speed and velocity? Between path length and distance? Between...Problem 21CQ:
21. What physical quantities do we use to describe motion? What does each quantity characterize?...Problem 22CQ:
22. Devise stories describing each of the motions shown in each of the graphs in Figure Q2.22....Problem 23CQ:
23. For each of the position-versus-time graphs in Figure Q2.23, draw velocity-versus-time graphs...Problem 24CQ:
Figure Q2.24 shows velocity-versus-time graphs for two objects. A and B. Draw motion diagrams that...Problem 26CQ:
26. Can an object at one instant of time have zero velocity and nonzero acceleration? If so, give an...Problem 27CQ:
27. Your little sister has a battery-powered toy truck. When the truck is moving, how can you...Problem 28CQ:
You throw a ball upward. Your friend says that at the top of its flight the ball has zero velocity...Problem 1P:
A car starts at rest from a stoplight and speeds up. It then moves at constant speed for a while....Problem 2P:
* You are an observer on the ground. (a) Draw two motion diagrams representing the motions of two...Problem 3P:
3. * A car is moving at constant speed on a highway. A second car catches up and passes the first...Problem 4P:
4. * A hat falls off a man’s head and lands in the snow. Draw a motion diagram representing the...Problem 5P:
5 Figure P2.5 shows several displacement vectors that are all in the (x, y) plane. (a) List all...Problem 6P:
6. Figure P.26 shows an incomplete motion diagram for an object (a) For each pair of adjacent...Problem 7P:
7. * You drive 100 Km east do some sightseeing and then turn around and drive 50 Km west where you...Problem 8P:
* Choose an object or reference and a set of coordinate axes associated with it. Show how two people...Problem 9P:
The scalar x-component of a displacement vector for a trip is -70 km. Represent the trip using a...Problem 10P:
10. * You recorded your position with respect to the front door of your house as you walked to the...Problem 11P:
* You need to determine the time interval (in seconds) needed for light to pass an atomic nucleus....Problem 12P:
A speedometer reads 65 ml/h. (a) Use as many different units as possible to represent the speed of...Problem 13P:
13. Convert the following record speeds so that they are in ml/h, km/h. and m/s. (a) Australian...Problem 15P:
15. * BIO A kidnapped banker looking through a slit in a van window counts her heartbeats and...Problem 16P:
16 * Some computer scanners scan documents by moving the scanner head with a constant speed across...Problem 18P:
18. * Your friend’s pedometer shows that he took 17,000 steps in 2.50 h during a hike. Determine...Problem 19P:
During a hike, two friends were caught in a thunderstorm. Four seconds after seeing lightning from a...Problem 20P:
20. Light travels at a speed of m/s in a vacuum. The approximate distance between Earth and the Sun...Problem 21P:
21. Proxima Centauri is light-years from Earth. Determine the length of 1 light-year and convert the...Problem 22P:
* Spaceships traveling to other planets in the solar system move at an average speed of 1.1104 m/s....Problem 23P:
23. ** Figure P2.23 shows a velocity-versus-time graph for the bicycle trips of two friends with...Problem 24P:
24. * Table 2.9 shows position and time data for your walk along a straight path. (a) Tell...Problem 25P:
25. * Table 2.10 shows position and time data for your friend’s bicycle ride along a straight bike...Problem 26P:
26 * You are walking to your physics class at speed 1.0 m/s with respect to the ground. Your friend...Problem 27P:
* Gabriele enters an east-west straight bike path at the 3.0-km mark and rides west at a constant...Problem 28P:
* Jim is driving his car at 32 m/s (72 mi/h) along a highway where the speed limit is 25 m/s (55...Problem 29P:
29. * You hike two-thirds of the way to the top or a hill at a speed or 3.0 ml/h and run the final...Problem 30P:
30. * Olympic champion swimmer Michael Phelps swam at an average speed of 2.01 m/s during the first...Problem 31P:
31. * A car makes a 100-Km trip. it travels the first 50 Km at an average speed of 50 km/h. how fast...Problem 32P:
* Jane and Bob see each other when 100m apart. They are moving forward each other, Jane at constant...Problem 34P:
34. A car starts from rest and reaches the speed of 10 m/s in 30 s. What can you determine about the...Problem 35P:
A truck is traveling east at +16 m/s (a) The driver sees that the road is empty and accelerates at...Problem 36P:
36. Bumper car collision on a bumper car ride, friends smash their cars into each other (head-on),...Problem 37P:
A bus leaves an intersection accelerating at +2.0 m/s2. Where is the bus after 5.0 s? What...Problem 38P:
A jogger is running at +4.0 m/s when a bus passes her. The bus is accelerating from +16.0 m/s to +...Problem 39P:
39. * The motion of a person as seen by another person is described by the equation (a) Represent...Problem 40P:
While cycling at a speed of 10 m/s, a cyclist starts going downhill with an acceleration of...Problem 41P:
* EST To his surprise, Daniel found that an egg did not break when he accidentally dropped it from a...Problem 42P:
42. BIO Squid propulsion Lolliguncula brevis squid use a form of jet propulsion to swim-they eject...Problem 43P:
Dragster record on the desert In 1977, Kitty ONell drove a hydrogen peroxide-powered rocket dragster...Problem 44P:
* Imagine that a sprinter accelerates from rest to a maximum speed of 10.8 m/s in 1.8 s. In what...Problem 45P:
45. ** Two runners are running next to each other when one decides to speed up at constant...Problem 46P:
46. * Meteorite hits car in 1992, a 14-kg meteorite struck a car in Peekskill, NY, leaving a...Problem 47P:
47. BIO Froghopper jump A spittlebug called the froghopper (Philaenus spumarius) is believed to be...Problem 48P:
48. Tennis serve The fastest server in women’s tennis is Sabine Lisicki, who recorded a serve of 131...Problem 49P:
49. * Shot from a cannon in 1998, David “Cannonball” Smith set the distance record for being shot...Problem 50P:
Col. John Stapps final sied run Col. John Stapp led the U.S. Air Force Acro Medical Laboratorys...Problem 51P:
51. * Sprinter Usain Bolt reached a maximum speed of 11.2 m/s in 2.0 s while running the 100-m dash....Problem 52P:
** Imagine that Usain Bolt can reach his maximum speed in 1.7s. What should be his maximum speed in...Problem 53P:
* A bus is moving at a speed of 36 km/h. How far from a bus stop should the bus start to slow down...Problem 54P:
* EST You want to estimate how fast your car accelerates. What information can you collect to answer...Problem 55P:
* In your car, you covered 2.0 m during the first 1.0 s, 4.0 m during the second 1.0 s, 6.0 m during...Problem 56P:
56. (a) Determine the acceleration of a car in which the velocity changes from -10m/s to -20m/s in...Problem 57P:
You accidentally drop an eraser out the window of an apartment 15 m above the ground. (a) How long...Problem 58P:
58. * What is the average speed of the eraser in the previous problem from the instant it is...Problem 59P:
59. You throw a tennis ball straight upward. The initial speed is about 12m/s. Say everything you...Problem 60P:
60. While skydiving, your parachute opens and you slow from 50.0 m/s to 8.0 m/s in 0.80s. Determine...Problem 61P:
* After landing from your skydiving experience, you are so excited that you throw your helmet...Problem 62P:
* You are standing on the rim of a canyon. You drop a rock and in 7.0 s hear the sound of it hitting...Problem 63P:
63. * You are doing an experiment to determine your reaction time. Your friend holds a ruler. You...Problem 64P:
EST Cliff divers Divers in Acapulco fall 36m from a cliff into the water. Estimate their speed when...Problem 65P:
65. * Galileo dropped a light rock and a heavy rock from the Learning Tower of Pisa, which is about...Problem 66P:
* A person holding a lunch bag is moving upward in a hot air balloon at a constant speed of 7.0 m/s....Problem 67P:
* A parachutist falling vertically at a constant speed of 10m/s drops a penknife when 20 m above the...Problem 68P:
A diagram representing the motion of two cars is shown in Figure P2.68. The number near each dot...Problem 69P:
Use the velocity-versus-time graph lines in Figure P2.69 to determine the change in the position of...Problem 71P:
* While babysitting their younger brother, Chrisso and Devin are playing with toys. They notice that...Problem 72P:
72. ** An object moves so that its position changes in the following way: . (a) What kind of motion...Problem 74P:
* Two cars on a straight road at time zero are beside each other. The first car, traveling at speed...Problem 75P:
75. * Oliver drops a tennis ball from a certain height above a concrete floor. Figure P2.75 shows...Problem 76P:
76. * BIO EST Water striders Water striders are insects that propel themselves on the surface of...Problem 77P:
77. You are traveling in your car at 20 m/s a distance of 20 m behind a car traveling at the same...Problem 78P:
* You are driving a car behind another car. Both cars are moving at speed 80 km/h. What minimum...Problem 79P:
79. * A driver with a 0.80-s reaction time applies the brakes, causing the car to have 7.0-m/s2...Problem 80P:
80. ** Some people in a hotel are dropping water balloons from their open window onto the ground...Problem 82P:
82 ** EST A bottle rocket burns for 1.6s. After it stops burning, it continues moving up to a...Problem 83P:
83. * Data from state driver’s manual The state driver’s manual lists the reaction distances,...Problem 85P:
85. * Car A is heading east at 30 m/s and Car B is heading west at 20 m/s. Suddenly, as they...Problem 86RPP:
BIO Head injuries in sports A research group at Dartmouth College has developed a Head Impact...Problem 87RPP:
BIO Head injuries in sports A research group at Dartmouth College has developed a Head Impact...Problem 88RPP:
BIO Head injuries in sports A research group at Dartmouth College has developed a Head Impact...Problem 89RPP:
BIO Head injuries in sports A research group at Dartmouth College has developed a Head Impact...Problem 90RPP:
BIO Head injuries in sports A research group at Dartmouth College has developed a Head Impact...Problem 91RPP:
Automatic sliding doors The first automatic sliding doors were described by Hero of Alexandria...Problem 92RPP:
Automatic sliding doors The first automatic sliding doors were described by Hero of Alexandria...Problem 93RPP:
Automatic sliding doors The first automatic sliding doors were described by Hero of Alexandria...Problem 94RPP:
Automatic sliding doors The first automatic sliding doors were described by Hero of Alexandria...Browse All Chapters of This Textbook
Chapter 2 - Kinematics: Motion In One DimensionChapter 3 - Newtonian MechanicsChapter 4 - Applying Newton’s LawsChapter 5 - Circular MotionChapter 6 - Impulse And Linear MomentumChapter 7 - Work And EnergyChapter 8 - Extended Bodies At RestChapter 9 - Rotational MotionChapter 10 - Vibrational MotionChapter 11 - Mechanical Waves
Chapter 12 - GasesChapter 13 - Static FluidsChapter 14 - Fluids In MotionChapter 15 - First Law Of ThermodynamicsChapter 16 - Second Law Of ThermodynamicsChapter 17 - Electric Charge, Force, And EnergyChapter 18 - The Electric FieldChapter 19 - Dc CircuitsChapter 20 - MagnetismChapter 21 - Electromagnetic InductionChapter 22 - Reflection And RefractionChapter 23 - Mirrors And LensesChapter 24 - Wave OpticsChapter 25 - Electromagnetic WavesChapter 26 - Special RelativityChapter 27 - Quantum OpticsChapter 28 - Atomic PhysicsChapter 29 - Nuclear PhysicsChapter 30 - Particle Physics
Book Details
For courses in introductory algebra-based physics. Help students learn physics by doing physics College Physics: Explore and Apply allows students to build a deep and robust conceptual understanding of physics by encouraging an active role in the learning
Sample Solutions for this Textbook
We offer sample solutions for College Physics homework problems. See examples below:
Chapter 2, Problem 1RQChapter 3, Problem 1RQChapter 4, Problem 1RQChapter 5, Problem 1RQChapter 6, Problem 1RQChapter 7, Problem 1RQIntroduction: Center of mass is a point where the complete mass of any object is said to be...Chapter 9, Problem 1RQChapter 10, Problem 1RQ
Chapter 11, Problem 1RQIntroduction: The following mechanisms can be logically constructed to understand the reason behind...Chapter 13, Problem 1RQIntroduction: Bernoulli’s principle states that fluids moving at a faster velocity have lesser...Chapter 15, Problem 1RQIntroduction: Energy of an isolated system, such as the universe always remains constant, as stated...Chapter 17, Problem 1RQChapter 18, Problem 1RQChapter 19, Problem 1RQChapter 20, Problem 1RQChapter 21, Problem 1RQIntroduction: Experimentally, it has been observed that, the projection on the wall will be upside...Chapter 23, Problem 1RQChapter 24, Problem 1RQChapter 25, Problem 1RQChapter 26, Problem 1RQIntroduction: Planck’s hypothesis stated that an accelerated charged particle can radiate an...Introduction: The Rutherford atomic model is also known as the planetary or nuclear model of an...Introduction: Rutherford, in 1899, conducted an experiment in which he set up two parallel metal...Introduction: Beta decay is referred to as the transformation of protons into neutrons and...
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