COLLEGE PHYSICS:VOL.1
2nd Edition
ISBN: 9780134862897
Author: ETKINA
Publisher: PEARSON
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Chapter 17, Problem 22P
You have a system of two negatively charged objects separated by some arbitrary finite distance. (a) What is the sign of their potential energy? (Remember that charged that are infinitely far from each other have zero potential energy.) (b) What can you do to decrease this energy? (c) Draw an energy bar chart for this process of decreasing the energy.
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Chapter 17 Solutions
COLLEGE PHYSICS:VOL.1
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...
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