Pearson eText for College Physics: Expl...2nd EditionEugenia Etkina, Gorazd Planinsic Publisher: PEARSON+ISBN: 9780137443000
Pearson eText for College Physics: Expl...
Solutions for Pearson eText for College Physics: Explore and Apply -- Instant Access (Pearson+)
Problem 1RQ:
Review Question 4.1 When does a vector have a positive scalar component? When does a vector have a...Problem 2RQ:
Review Question 4.2 The x- and y-components of Newtons second law for a specific scenario are:...Problem 3RQ:
Review Question 4.3 What is the force of friction that the floor exerts on your refrigerator? Assume...Problem 4RQ:
Review Question 4.4 For problems involving objects moving upward or downward along inclined...Problem 5RQ:
Review Question 4.5 Why do we need to resolve the initial velocity of a projectile into components...Problem 6RQ:
Review Question 4.6
You read in this section that it is the road and not the engine that is most...Problem 1MCQ:
1. A car accelerates along a road. Identify the best combination of forces exerted on the car in the...Problem 2MCQ:
2. A person pushes a 10-kg crate exerting a 200-N force on it, but the crate’s acceleration is only...Problem 3MCQ:
Compare the ease of pulling a lawn mower and pushing it. a. They are the same. b. Pulling is easier....Problem 4MCQ:
4. You simultaneously release two balls: one you throw horizontally, and the other you drop straight...Problem 5MCQ:
You shoot an arrow with a bow. The following is Newtons second law applied for one of the instants...Problem 6MCQ:
In what reference frame does a projectile launched at speed v0 at angle above the horizontal move...Problem 7MCQ:
In Table 4.6 we found that the two balls touched the ground at the same time. Which of the following...Problem 8MCQ:
8. While running at constant velocity, how should you throw a ball with respect to you so that you...Problem 9MCQ:
9. You hold a block on a horizontal, frictionless surface. It is connected by a string that passes...Problem 10MCQ:
10. In the process described in the previous question, what is the magnitude of the force exerted by...Problem 11MCQ:
Suppose that two blocks are positioned on an Atwood machine so that the block on the right of mass...Problem 12MCQ:
12. A box containing some stones is resting on a rough inclined surface. Which of the following...Problem 13MCQ:
For the following two questions, the answer options are the same. Select two correct answers for...Problem 14MCQ:
14. A block is resting on a rough inclined surface. You observe that by increasing the angle of the...Problem 15CQ:
15. A box with a heavy television set in it us placed against a box with a toaster oven in it....Problem 16CQ:
16. How can an Atwood machine be used to determine the acceleration of freely falling objects if...Problem 17CQ:
17. Your friend is on Rollerblades holding a pendulum You gently push her forward and let go You...Problem 19CQ:
19. Explain why old tires need to be replaced.
Problem 20CQ:
20. Explain how friction helps you to walk.
Problem 21CQ:
21. Explain why you might fall forward when you stumble.
Problem 22CQ:
Explain why you might fall backward when you slip.Problem 24CQ:
You throw two identical balls simultaneously at the same initial speed one downward and the other...Problem 25CQ:
25. Your friend says that the vertical force exerted on a projectile when at the top of its flight...Problem 26CQ:
Your friend says that a projectile launched at an angle relative to the horizontal moves forward...Problem 27CQ:
An object of mass m1 placed on an inclined plane (angle relative to the horizontal) is connected by...Problem 28CQ:
28 An object of mass m1 placed on an inclined plane (angle relative to the horizontal) is connected...Problem 29CQ:
29. A horse is pulling a sled. If the force exerted by the horse on the sled has the same magnitude...Problem 30CQ:
30. If you kick a block so that it starts moving up a rough incline, you observe that the...Problem 4P:
4 * The x- and y-components of several unknown forces are listed below (Fx,Fy). For each force, draw...Problem 5P:
* The x- and y-scalar components of several unknown forces are listed below (Fx,Fy). For each force,...Problem 6P:
6. * Three ropes pull on a knot shown in Figure P4.6a. The knot is not accelerating. A partially...Problem 7P:
* Figure P4.7 shows an unlabeled force diagram for a hockey puck. The length of the sides of the...Problem 8P:
For each of the following situations, draw the forces exerted on the moving object and identify the...Problem 9P:
* Write Newtons second law in component form for each of the situations described in Problem 4.8.Problem 10P:
For the situations described here, construct a force diagram for the block, sled, and skydiver. (a)...Problem 11P:
* Write Newtons second law in component form for each of the situations described in Problem 4.10.Problem 14P:
14. * Equation Jeopardy 1 The three sets of equations below are the horizontal x- and vertical...Problem 15P:
* You exert a force of 100 N on a rope that pulls a sled across a very smooth surface. The rope is...Problem 16P:
16. * You exert a force of a known magnitude F on a grocery cart of total mass m. The force you...Problem 17P:
* Olympic 100-m dash start At the start of his race, 86-kg Olympic 100-m champion Usain Bolt from...Problem 18P:
18. * Your own accelerometer A train has an acceleration of magnitude while stopping. A pendulum...Problem 19P:
* EST Finn and Hazel are using a battery-powered fan fixed on a low-friction cart. As the fan blades...Problem 20P:
A 91.0-kg refrigerator sits on the floor. The coefficient of static friction between the...Problem 21P:
A 60-kg student sitting on a hardwood floor does not slide until pulled by a 240-N horizontal force....Problem 22P:
Car stopping distance and friction A car traveling at 60 mi /h (97 km /h) can stop in 48 m on a...Problem 23P:
23. * A 50-kg box rests on the floor. The coefficients of static and kinetic friction between the...Problem 24P:
24. * Marsha is pushing down and to the right on a 12-kg box at an angle of below horizontal The...Problem 25P:
* You want to determine the coefficient of kinetic friction between a 1m1m rug and a wooden floor....Problem 26P:
* A wagon is accelerating to the right. A book is placed against the interior back wall of the wagon...Problem 27P:
s. Determine an expression for the minimum acceleration of the wagon in terms of s so that the book...Problem 28P:
* A car has a mass of 1520 kg. While traveling at 20 m/s, the driver applies the brakes to stop the...Problem 29P:
m/s2 when pulled by a rope exerting a 120-N force on the wagon at an angle of 25 above the...Problem 30P:
30. ** A crate of mass m sitting on a horizontal floor is attached to a rope that pulls at an angle ...Problem 31P:
* EST You absentmindedly leave your book bag on the top of your car. Estimate the safe acceleration...Problem 32P:
32. * Block 1 is on a horizontal surface with a 0.29 coefficient of kinetic friction between it and...Problem 33P:
33. * You want to use a rope to pull a 10-kg box of books up a plane inclined above the horizontal....Problem 34P:
34. * A car with its wheels locked rests on a flatbed of a tow truck. The flatbed's angle with the...Problem 35P:
35. Olympic skier Olympic skier Tina Maze skis down a steep slope that descends at an angle of ...Problem 36P:
* Another Olympic skier Bode Miller. 80-kg downhill skier, descends a slope inclined at 20....Problem 37P:
* A book slides off a desk that is tilted 15 relative to the horizontal. What information about the...Problem 39P:
* Helge, Steve, and Heidi are sitting on a sled on a slope covered with a hard snow. The sled is...Problem 40P:
40. * When traveling on an airplane you get meals on a serving tray that has large coefficients of...Problem 41P:
41. Skier A 52-kg skier starts at rest and slides 30 m down a hill inclined at relative to the...Problem 42P:
42. * Ski rope tow You agree to build a backyard rope tow to pull your siblings up a 20-m slope that...Problem 43P:
43. * Soapbox racecar A soapbox derby racecar starts at rest at the top of a 301-m-long track tilted...Problem 44P:
44. * A person is pushing two carts that are connected with a metal bar so that the carts are moving...Problem 45P:
45. * BIO Whiplash Experience A car sitting at rest is hit from the rear by a semi-trailer truck...Problem 46P:
Iditarod race practice The dogs of four-time Iditarod Trail Sled Dog Race champion Jeff King pull...Problem 47P:
angle above the horizontal. The other end of the rope is attached to the front of the first of two...Problem 48P:
* Rope 1 pulls horizontally, exerting a force of 45 N on an 18-kg wagon attached by a second...Problem 49P:
* Three sleds of masses m1,m2,m3 are on a smooth horizontal surface (Ice) and connected by ropes, so...Problem 51P:
51. * A skier is moving down a snowy hill with an acceleration of . The angle of the slope is to...Problem 52P:
** A person holds a 200-g block that is connected to a 250-g block by a string going over a light...Problem 53P:
53. ** Two blocks of masses are connected to each other on an Atwood machine. A person holds one of...Problem 54P:
54. ** The 20-kg block shown in Figure P4.54 accelerates down and to the left, and the 10-kg block...Problem 55P:
* A squirrel jumps of a roof in the horizontal direction. The origin of the coordinate system is at...Problem 56P:
* A frog jumps at an angle 30 above the horizontal. The origin of the coordinate system is at the...Problem 57P:
57. A bowling ball rolls off a table. Draw a force diagram for the ball when on the table and when...Problem 58P:
58 * A tennis ball is served from the back line of the court such that it leaves the racket 2.4 m...Problem 59P:
59. * Equation Jeopardy 3 The equations below describe a projectile’s path. Solve for the unknowns...Problem 60P:
60 * EST An airplane is delivering food to a small island It flies 100 m above the ground at a speed...Problem 61P:
A ball moves in an arc through the air (see Figure P4.61) Construct a force diagram for the ball...Problem 62P:
A marble is thrown as a projectile at an angle above the horizontal. Draw its path during the flight...Problem 63P:
63 * Marbles are exiting a container through a horizontal nozzle positioned 1.3 m above sandy ground...Problem 64P:
* Robbie Knievel ride On May 20, 1999, Robbie Knievel easily cleared a narrow part of the Grand...Problem 65P:
65. * Daring Darless wishes to cross the Grand Canyon of the Snake River by being shot from a...Problem 66P:
* A football punter wants to kick the ball so that it is in the air for 4.0 s and lands 50 m from...Problem 67P:
67. * If you shoot a cannonball from the same cannon first at and then at relative to the...Problem 68P:
68. When you actually perform the experiment described in Problem 4.67 , the ball shot at a angle...Problem 69P:
69. * You can shoot an arrow straight up so that it reaches the top of a 25-m-tall building. (a) How...Problem 70P:
70. * Robin Hood wishes to split an arrow already in the bull's-eye of a target 40 m away. If he...Problem 71P:
71. * Three force diagrams for a car on a road are shown in Figure P4.71 Indicate as many situations...Problem 72P:
* A minivan of mass 1560 kg starts at rest and then accelerates at 2.0m/s2. (a) What is the object...Problem 74GP:
74. * Emily pulls a 5-kg block across a rough horizontal surface, exerting a constant force on the...Problem 75GP:
75. * EST You abruptly push a 1.7-kg book along a table and let go. The book comes to a stop after a...Problem 76GP:
76 ** EST In the situation of Problem 4.75, estimate (a) the maximum speed of the book and (b) the...Problem 78GP:
78. * Two blocks of masses and hang at the ends of a string that passes over the very light pulley...Problem 79GP:
79. * A 3.5-kg object placed on an Inclined plane (angle above the horizontal) is connected by a...Problem 80GP:
above the horizontal) is connected by a string going over a pulley to a 1.0-kg object. Determine the...Problem 81GP:
above the horizontal) is connected by a string going over a pulley to a hanging object of mass m2....Problem 82GP:
82 ** You are driving at a reasonable constant velocity in a van with a windshield tilted relative...Problem 84GP:
84. * In the situation of Problem 2.71 (Chapter 2 ) and using the data in the accompanying table,...Problem 87GP:
87. * Your friend has a pie on the roof of his van. You are standing on the ground and observe the...Problem 88GP:
* A ledge on a building is 20 m above the ground. A taut rope attached to a 4.0-kg can of paint...Problem 89GP:
89. * You are hired to devise a method to determine the coefficient of friction between the ground...Problem 90GP:
The mass of a spacecraft is about 480 kg. An engine designed to increase the speed of the spacecraft...Problem 91GP:
incline When she reaches the level floor at the bottom, she applies the brakes. Use Newton's second...Problem 93GP:
* Tell all A sled starts at the top of the hill shown in Figure P4.93. Add any information that you...Problem 94RPP:
Professor tests airplane takeoff speed D. A. Wardle, a professor of physics from the University of...Problem 95RPP:
Professor tests airplane takeoff speed D A Wardle, a professor of physics from the University of...Problem 96RPP:
Professor tests airplane takeoff speed D A Wardle, a professor of physics from the University of...Problem 97RPP:
Professor tests airplane takeoff speed D. A. Wardle, a professor of physics from the University of...Problem 99RPP:
Ski jumping in Vancouver The 2010 Olympic ski jumping competition was held at Whistler Mountain near...Problem 100RPP:
Ski jumping in Vancouver The 2010 Olympic ski jumping competition was held at Whistler Mountain near...Problem 101RPP:
Ski jumping in Vancouver The 2010 Olympic ski jumping competition was held at Whistler Mountain near...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
Sample Solutions for this Textbook
We offer sample solutions for Pearson eText for College Physics: Explore and Apply -- Instant Access (Pearson+) 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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