College Physics
2nd Edition
ISBN: 9780134601823
Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan
Publisher: Pearson,
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 17, Problem 22CQ
You have a foam rod rubbed with felt and a small aluminum foil ball attached to a thread. Describe what happens when you slowly approach the ball with the rod and then touch the ball. Explain why this happens.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
When you rub a glass rod with a piece of silk which material is more negative?
If you rub an inflated balloon against your hair and place it against a door, by what mechanism does it stick? Explain.
Why does a plastic ruler that has been rubbed with acloth have the ability to pick up small pieces of paper?Why is this difficult to do on a humid day?
Chapter 17 Solutions
College Physics
Ch. 17 - Review Question 17.1 To decide whether an object...Ch. 17 - Review Question 17.2 The model of charging by...Ch. 17 - Review Question 17.3 One cannot charge a held...Ch. 17 - Review Question 17.4 Two charged objects (1 and 2)...Ch. 17 - Review Question 17.5 How can we reduce the...Ch. 17 - Review Question 17.6
How would our reasoning in...Ch. 17 - Review Question 17.7 In a Van de Graaff generator,...Ch. 17 - Which of the following occurs when two objects are...Ch. 17 - 2. With which statements do you disagree?
a. If...Ch. 17 - 3. Which explanation agrees with the contemporary...
Ch. 17 - When an object gets charged by rubbing, where does...Ch. 17 - Choose all of the quantities that are constant in...Ch. 17 - Identically charged point-like objects A and B are...Ch. 17 - When separated by distance d, identically charged...Ch. 17 - Balloon A has charge q, and identical mass balloon...Ch. 17 - Imagine that two charged objects are the system of...Ch. 17 - Two objects with charges + q and -2q are separated...Ch. 17 - Charged point-like objects A and B are separated...Ch. 17 - 12. If you move a negatively charged balloon...Ch. 17 - 13. Describe the differences between the electric...Ch. 17 - Prob. 14CQCh. 17 - At one time it was thought that eclectic charge...Ch. 17 - 16. What experiments can you do to show that there...Ch. 17 - An object becomes positively charged due to...Ch. 17 - List everything that you know about electric...Ch. 17 - 19. What experimental evidence supports the idea...Ch. 17 - 20. You have an aluminum pie pan with pieces of...Ch. 17 - You have a charged metal ball. How can you reduce...Ch. 17 - 22. You have a foam rod rubbed with felt and a...Ch. 17 - A positively charged metal ball A is placed near...Ch. 17 - 24. Show that if the charge on B in the previous...Ch. 17 - 25. Two metal balls of the same radius are placed...Ch. 17 - 26. Describe the experiments that were first used...Ch. 17 - 27. The electrical force that one electric charge...Ch. 17 - 28. Why isn’t Coulomb's law valid for large...Ch. 17 - 29. How is electric potential energy similar to...Ch. 17 - BIO Ventricular defibrillation During ventricular...Ch. 17 - 2. * You rub two 2.0-g balloons with a wool...Ch. 17 - * Two balloons of different mass hang from strings...Ch. 17 - * Lightning A cloud has a large positive charge....Ch. 17 - 5. Sodium chloride (table salt) consists of sodium...Ch. 17 - * EST (a) Earth has an excess of 6105 electrons on...Ch. 17 - 7. Determine the electrical force that two protons...Ch. 17 - * Determine the number of electrons that must be...Ch. 17 - BIO Ions on cell walls The membrane of a body cell...Ch. 17 - * Hydrogen atom in a simplified model of a...Ch. 17 - * Three 100 nC charged objects are equally spaced...Ch. 17 - ** Tow objects with charges q and 4q are separated...Ch. 17 - * Salt crystal Four ions (Na+,Cl-,Na+,andCl-) in a...Ch. 17 - * A+106C charged object and a+2106C charged object...Ch. 17 - 15. **BIO Bee pollination Bees acquire an electric...Ch. 17 - 16. * A triangle with equal sides of length 10 cm...Ch. 17 - 17. You have a small metal sphere fixed on an...Ch. 17 - 18. * After the experiment in Problem 17.17, you...Ch. 17 - 20. (a) Determine the change in electric potential...Ch. 17 - You have a system of two positively charged...Ch. 17 - You have a system of two negatively charged...Ch. 17 - 23. Repeat (a)-(c) of Problem 17.22 for a system...Ch. 17 - The metal sphere on the top of a Van de Graaff...Ch. 17 - * EST An electron is 0.10 cm from an object with...Ch. 17 - * (a) An object with charge q4=+3.010-9C is moved...Ch. 17 - 27. * An object with charge is moved from...Ch. 17 - +8nCandq2=4nC are placed at marks...Ch. 17 - 29. * Two small objects with charges + Q and -Q...Ch. 17 - 30. * A stationary block has a charge of . A...Ch. 17 - Figure P17.31 shows four different configurations...Ch. 17 - * Evaluate the solution Metal sphere 1 has charge...Ch. 17 - 37. * Construct separate force diagrams for each...Ch. 17 - 38. “ The six objects shown in Figure P17.38 have...Ch. 17 - * A small metal ball with positive charge + q and...Ch. 17 - 40. * Four objects each with charge are located...Ch. 17 - 41. * Two 5.0-g aluminum foil balls hang from...Ch. 17 - 42. * A 6.0-g ball with charge hangs from a...Ch. 17 - * A 0.40-kg cart with charge +4.010-8C starts at...Ch. 17 - A dust particle has an excess charge of 4106...Ch. 17 - Electric accelerator A micro-transporter moves...Ch. 17 - * You are holding at rest a small sphere A with...Ch. 17 - * A Van de Graaff generator is placed in rarefied...Ch. 17 - 48. * Two protons each of mass and charge +e are...Ch. 17 - 49. * Two protons, initially separated by a very...Ch. 17 - * An alpha particle consists of two protons and...Ch. 17 - * Determine the speed that the proton shown in...Ch. 17 - 52. ** Suppose that Earth and the Moon initially...Ch. 17 - 53. * BIO Calcium ion synapse transfer Children...Ch. 17 - 54. A small ball D has a charge of and cannot...Ch. 17 - 55. *Two small balls A and B with equal charges +...Ch. 17 - Static cling You pull your domes from the dryer...Ch. 17 - Static cling You pull your domes from the dryer...Ch. 17 - Static cling You pull your domes from the dryer...Ch. 17 - Static cling You pull your domes from the dryer...Ch. 17 - Static cling You pull your domes from the dryer...Ch. 17 - Static cling You pull your domes from the dryer...Ch. 17 - Static cling You pull your clothes from the dryer...Ch. 17 - Electrostatic exploration Geologists sometimes...Ch. 17 - Electrostatic exploration Geologists sometimes...Ch. 17 - Electrostatic exploration Geologists sometimes...Ch. 17 - Electrostatic exploration Geologists sometimes...Ch. 17 - Electrostatic exploration Geologists sometimes...Ch. 17 - Electrostatic exploration Geologists sometimes...
Additional Science Textbook Solutions
Find more solutions based on key concepts
6. Show how it is possible for neutral objects to attract each other electrically.
College Physics (10th Edition)
9.58 • CALC A roller in a printing press turns through an angle ?(t) given by ?(t) = ?t2 – ?t3, where ? = 3.20 ...
University Physics (14th Edition)
The cause for the heating of the space shuttle.
College Physics: A Strategic Approach (3rd Edition)
An object that is thrown straight up falls back to Earth. This is one-dimensional motion. (a) When is its veloc...
College Physics
Choose the best answer to each of the following. Explain your reasoning. Which moon shows evidence of rainfall ...
Cosmic Perspective Fundamentals
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective (8th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- What is a gaussian surface? Is this a real object or just an imaginary surface?arrow_forwardA uniform electric field is applied to a hollow metal. Which of the following statements is correct? a. The interior field points in a direction that is at right angles to the exterior field b. There is no electric field in the block's interior c. The interior points in a direction that is parallel to the exterior field d. The interior field points in a direction opposite to the exterior fieldarrow_forwardBring the balloon into the middle, between the sweater and the wall. What happens to the balloon when you let it go? A. Nothing happens. B. It is attracted by the sweater. C. It is attracted by the wall.arrow_forward
- The flux coming out from a circular balloon with a radius of 1.0 x 10 ^-1 m is 1.0 x 10^3 Nm^2/C. If the radius of the balloon is doubled, what happens to the flux coming out of the balloon? A. It is four times largerB. It remains the sameC. It is halvedD. It is doubledarrow_forwardA 1.00-g cork ball having a positive charge of 2.00 μC is suspended vertically on a 0.500-m-long light string in the presence of a uniform downward-directed electric field of magnitude E = 1.00 × 105 N/C as in Figure P15.56. If the ball is displaced slightly from the vertical, it oscillates like a simple pendulum. (a) Determine the period of the ball’s oscillation. (b) Should gravity be included in the calculation for part (a)? Explain.arrow_forward23 - Two large metal plates with surface area A are facing each other. The distance between the plates is d cm and the plates carry loads equal to each other but with opposite signs on their inner surfaces. Find the magnitude of the electric field between the plates. (The electrical conductivity of Eo-air)A) q / Eo B) 0 C) q / A D) 2q / AEo E) q / AEoarrow_forward
- A man fixes outside his house one evening a two metre high insulating slab carrying on its top a large aluminium sheet of area 1 m2. Will he get an electric shock if he touches the metal sheet next morning?arrow_forwardA 8.20 μC charged 1.00 g cork ball is suspended vertically on a 1.100 m long light string in the presence of a uniform downward-directed electric field of magnitude E = 8.50x105 N/C. If the ball is displaced slightly from the vertical, it oscillates like a simple pendulum. (d) Determine the period of the ball's oscillation in the electric field.arrow_forwardYou have built a device that measures the temperature outside and displays it on a dial as a measure of how far away from room temperature outside is. The way the dial works is that a needle with a charged ball on the end is placed between two charged parallel plates. The strength of the uniform electric field between the plates is proportional to the outside temperature. Given that the charged ball on the needle has a charge of −2.4 µC and the needle can be represented as a string with tension 0.350 N, and is at an angle of 22°, consider the following. What is the mass of the object? gWhat is the magnitude of the electric field? N/Carrow_forward
- You have built a device that measures the temperature outside and displays it on a dial as a measure of how far away from room temperature outside is. The way the dial works is that a needle with a charged ball on the end is placed between two charged parallel plates. The strength of the uniform electric field between the plates is proportional to the outside temperature. Given that the charged ball on the needle has a charge of −2.4 µC and the needle can be represented as a string with tension 0.350 N, and is at an angle of 24°, consider the following. What is the mass of the object? gWhat is the magnitude of the electric field?arrow_forward1. What was the purpose of rubbing the comb with a woolen cloth and the glass rod with a silk cloth?2. Why did the comb pick up the bits of paper? 3. Why did the glass rod pick up the bits of paper?arrow_forward1. A positively charged glass rod is held to touch a neutralsphere. After the glass rod is removed, the sphere *a) remains neutral.b) is negatively charged.c) is positively charged.d) could be either positively or negatively charged, dependingon how long the contact with ground lasted.2. An object can acquire an electrical charge by *a) radiation, convection, or friction.b) induction, convection, or radiation.c) contact, induction, or convection.d) friction, contact, or induction.e) contact, friction, or convection.3. Liquids ____ their volume with higher temperature due to____. *a) increase; decreased crystal structureb) increase; less molecular motionc) decrease; greater molecular motiond) decrease; less molecular motione) increase; greater molecular motionarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Magnets and Magnetic Fields; Author: Professor Dave explains;https://www.youtube.com/watch?v=IgtIdttfGVw;License: Standard YouTube License, CC-BY