Solutions for Pearson eText for College Physics: Explore and Apply -- Instant Access (Pearson+)
Problem 1RQ:
Review Question 5.1 How do we know that the sum of the forces exerted on an object moving in a...Problem 2RQ:
Review Question 5.2 Why is it true that when an object is moving in a circle at constant speed, its...Problem 3RQ:
Review Question 5.3 Show that the two expressions for radial acceleration have the correct units of...Problem 4RQ:
Review Question 5.4 Think back to Example 5.5 (the rotor ride) Use your understanding of Newton’s...Problem 5RQ:
Review Question 5.5 A friend says he has heard that the Moon is falling toward Earth. What can you...Problem 1MCQ:
Which of the objects below is accelerating? Object moving at constant speed along a straight line...Problem 2MCQ:
The circle in Figure Q5.2 represents the path followed by an object moving at constant speed. At...Problem 3MCQ:
One of your classmates drew a force diagram for a pendulum bob at the bottom of its swing He put a...Problem 4MCQ:
Why is it difficult for a high-speed car to negotiate an unbanked turn? a. A huge force is pushing...Problem 5MCQ:
How does a person standing on the ground explain why you, sitting on the left side of a slippery...Problem 6MCQ:
6. A pilot performs a vertical loop-the-loop at constant speed. The pilot’s head is always pointing...Problem 7MCQ:
7. Why is the following an inaccurate statement about blackout? "As the g forces climb up toward 7...Problem 8MCQ:
8 Two point-like objects P and Q are undergoing circular motion at constant speeds Figure Q5.8 shows...Problem 9MCQ:
Compare the magnitude of the normal force of a car seat on you with the magnitude of the force that...Problem 10MCQ:
If you put a penny on the center of a rotating turntable, it does not slip. However, if you place...Problem 11MCQ:
Where on Earths surface would you expect to experience the greatest radial acceleration as a result...Problem 12MCQ:
12. What observational data might Newton have used to decide that the gravitational force is...Problem 13MCQ:
What observations combined with his second and third laws helped Newton decide that the...Problem 14MCQ:
What would happen to the force exerted by the Sun on Earth if the Sun shrank and became half its...Problem 15MCQ:
James fixes a camera on a tripod and takes several photos of the full Moon. Figure Q5.15 shows two...Problem 16CQ:
Your friend says that an object weighs less on Jupiter than on Earth as Jupiter is far away from the...Problem 17CQ:
Your friend says that when an object is moving in a circle, there is a force pushing it out away...Problem 18CQ:
Describe three everyday phenomena that are consistent with your knowledge of the dynamics of...Problem 19CQ:
19. Two identical cars are moving with equal speeds on a wet road toward a turn, as shown in Figure...Problem 20CQ:
20. Astronauts on the space station orbiting Earth are said to be in “zero gravity." Do you agree or...Problem 21CQ:
21. In the movies you often see space stations with "artificial gravity.” They look like big...Problem 22CQ:
22. Give one example of a situation in which an object moves at constant speed and has zero...Problem 23CQ:
Name a planet on which you would weigh less than on Earth. Name a planet on which you would weigh...Problem 24CQ:
A motorized cart is moving at a constant speed along a horizontal surface that at point P smoothly...Problem 1P:
1. Mountain biker While mountain biking, you first move at constant speed along the bottom of a...Problem 2P:
* You swing a rock tied to a string in a vertical circle. (a) Determine the direction of the...Problem 3P:
* Loop-the-loop You ride a roller coaster with a loop-the-loop. Compare as best you can the normal...Problem 4P:
4. You start an old record player and notice a bug on the surface close to the edge of the record....Problem 5P:
5. Determine the acceleration of Earth due to its motion around the Sun. What do you need to assume...Problem 6P:
The Moon is an average distance of 3.8108 m from Earth. It circles Earth once each 27.3 days. (a)...Problem 7P:
Aborted plane landing You are on an airplane that is landing. The plane in front of your plane blows...Problem 8P:
BIO Ultracentrifuge You are working in a biology lab and learning to use a new ultracentrifuge for...Problem 9P:
9. * EST A tire-pressure monitoring system warns you with a dashboard alert when one of your car...Problem 10P:
Imagine that you are standing on a horizontal rotating platform in an amusement park (like the...Problem 11P:
11. * Rolling is a combination of linear and circular motion. In order to study rolling motion, we...Problem 14P:
14. * Consider the scenario described in Problem 5.13. If the platform speeds up, who is more likely...Problem 15P:
15. * You want to determine the radial acceleration of a friend who is standing on the rotating...Problem 16P:
16. Ferris wheel You are sitting on a rotating Ferns wheel. Draw a force diagram for yourself when...Problem 17P:
17. * EST Estimate the radial acceleration of the foot of a college football player in the middle of...Problem 18P:
* EST Estimate the radial acceleration of the toe at the end of the horizontally extended leg of a...Problem 19P:
19. * Is it safe to drive your 1600-kg car at speed 27 m/s around a level highway curve of radius...Problem 20P:
20. * You are fixing a broken rotary lawn mower. The blades on the mower turn 50 times per second...Problem 21P:
* Your car speeds around the 80-m-radius curved exit ramp of a freeway. A 70-kg student holds the...Problem 22P:
How fast do you need to swing a 200-g ball at the end of a string in a horizontal circle of 0.5-m...Problem 23P:
23. ** A small ball is attached by a string to a smooth incline, as shown in Figure P5.23. The...Problem 24P:
A coin rests on a record 0.15 m from its center. The record turns on a turntable that rotates at...Problem 25P:
25. * Roller coaster ride A roller coaster car travels at speed 8.0 m/s over a 12-m-radius vertical...Problem 26P:
* A person sitting in a chair (combined mass 80 kg) is attached to a 6.0-m-long cable The person...Problem 27P:
27. * A car moves around a 50-m-radius highway curve. The road, banked at relative to the...Problem 28P:
28. * A 20.0-g ball is attached to a 120-cm-long string and moves in a horizontal circle (see Figure...Problem 29P:
29. A 50-kg ice skater goes around a circle of radius 5.0 m at a constant speed of 3.0 m/s on a...Problem 30P:
* A car traveling at 10 m/s passes over a hill on a road that has a circular cross section of radius...Problem 31P:
31. A 1000-kg car is moving at 30 m/s around a horizontal level curved road whose radius is 100 m....Problem 32P:
* Equation Jeopardy 1 Describe using words, a sketch, a velocity change diagram, and a force diagram...Problem 34P:
** Banked curve raceway design You need to design a banked curve at the new circular Super 100...Problem 35P:
* A circular track is in a horizontal plane, has a radius of r meters, and is banked at an angle ...Problem 36P:
36. ** Design a quantitative test for Newton’s second law as applied to constant speed circular...Problem 37P:
37. * Your friend says that the force that the Sun exerts on Earth is much larger than the force...Problem 38P:
Determine the gravitational force that (a) the Sun exerts on the Moon, (b) Earth exerts on the Moon,...Problem 39P:
39. * (a) What is the ratio of the gravitational force that Earth exerts on the Sun in the winter...Problem 40P:
40. ** EST Estimate (a) the average distance between Earth and the Moon and (b) the diameter of the...Problem 41P:
41. * EST The average radius of Earth s orbit around the Sun is . The mass of Earth is , and it...Problem 42P:
* The Moon travels in a 3.8105-km-radius orbit about Earth. Earths mass is 5.971024kg. Determine the...Problem 43P:
43. * Determine the ratio of Earth’s gravitational force exerted on an 80-kg person when at Earth's...Problem 44P:
44. * Determine the magnitude of the gravitational force Mars would exert on your body if you were...Problem 45P:
45. * When you stand on a bathroom scale here on Earth, it reads 540 N. (a) What would your mass be...Problem 46P:
46. The free-fall acceleration on the surface of Jupiter, the most massive planet, is . Jupiter’s...Problem 47P:
47.* A satellite moves in a circular orbit a distance of m above Earth’s surface. Determine the...Problem 48P:
48. * Mars has a mass of kg and a radius of m. Assume a person is standing on a bathroom scale on...Problem 49P:
49. * Determine the speed a projectile must reach in order to become an Earth satellite. What...Problem 50P:
50. ** Determine the distance above Earth’s surface to a satellite that completes two orbits per...Problem 51P:
51. *Determine the period of an Earth satellite that moves in a circular orbit just above Earth’s...Problem 52P:
52. * A spaceship in outer space has a doughnut shape with 500-m outer radius. The inhabitants stand...Problem 53GP:
53. * Using the velocity change method from Physics Tool Box 5.1 , find the direction of a car's...Problem 54GP:
54. * Loop-the-loop You have to design a loop-the-loop for a new amusement park so that when each...Problem 55GP:
** A Tarzan swing Tarzan (mass 80 kg) swings at the end of an 8.0-m-long vine (Figure P5.55). When...Problem 56GP:
56. * (a) If the masses of Earth and the Moon were both doubled, by how much would the radius of the...Problem 57GP:
57. * EST Estimate the radial acceleration of the tread of a car tire. Indicate any assumptions that...Problem 58GP:
58. ** EST Estimate the force exerted by the tire on a 10-cm-long section of the tread of a tire as...Problem 59GP:
59. ** EST Estimate the maximum radial force that a football player’s leg needs to exert on his foot...Problem 60GP:
60. * EST Estimate the force exerted by the wheel of a car on the 20-g tire valve while the car is...Problem 61GP:
Lucia's bathroom scale on the equator reads 110 lb when she stands on it. If her mass stays the...Problem 64GP:
** Demolition An old building is being demolished by swinging a heavy metal ball from a crane....Problem 65GP:
65. Designing a banked roadway You need to design a banked curve for a highway in which cars make a ...Problem 66GP:
* Evaluation question You find the following in a report about blackouts: "The acceleration that...Problem 67GP:
67. * Suppose that Earth rotated much faster on its axis—so fast that people were almost weightless...Problem 68GP:
68. * On Earth, an average person’s vertical jump is 0.40 m. What is it on the Moon? Explain.
Problem 69GP:
69. * You read in a science magazine that on the Moon, the speed of a shell leaving the barrel of a...Problem 70GP:
70. * Determining the forces between powders and surfaces (adhesive forces) plays an important role...Problem 71GP:
** Isabel notices that if she places a small plastic box on a horizontal wooden disk and slowly...Problem 72RPP:
Texas Motor Speedway On October 28, 2000 Gil de Ferran set the single-lap average speed record for...Problem 73RPP:
Texas Motor Speedway On October 28, 2000 Gil de Ferran set the single-lap average speed record for...Problem 74RPP:
Texas Motor Speedway On October 28, 2000 Gil de Ferran set the single-lap average speed record for...Problem 75RPP:
Texas Motor Speedway On October 28, 2000 Gil de Ferran set the single-lap average speed record for...Problem 76RPP:
Texas Motor Speedway On October 28, 2000 Gil de Ferran set the single-lap average speed record for...Problem 78RPP:
Halley's Comet Edmond Halley was the first to realize that the comets observed in 1531,1607, and...Problem 79RPP:
Halley's Comet Edmond Halley was the first to realize that the comets observed in 1531, 1607, and...Problem 80RPP:
Halley's Comet Edmond Halley was the first to realize that the comets observed in 1531, 1607, and...Problem 81RPP:
Halley's Comet Edmond Halley was the first to realize that the comets observed in 1531,1607, and...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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