Physical Science
11th Edition
ISBN: 9780077862626
Author: Bill Tillery, Stephanie J. Slater, Timothy F. Slater
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 6, Problem 4FFA
Will a fuel cell be the automobile engine of the future? Identify the facts, beliefs, and theories that support or refute your answer.
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Problem 31.66 3 of 3 Review Introduction Consider current I passing through a resistor of radius r , length L , and resistance R .
Part A Determine the electric field at the surface of the resistor. Assume that the electric field is uniform throughout, including at the surface. Express your answer in terms of some, all, or none of the variables I , R , L , r . E =
Part B Determine the magnetic field at the surface of the resistor. Assume that the electric field is uniform throughout, including at the surface.
Express your answer in terms of some, all, or none of the variables I, R, L, r, and the constants π, μ0.
Part C Determine the strength of the Poynting vector at the surface of the resistor.
Express your answer in terms of some, all, or none of the variables I, R, L, r, and the appropriate constants.
Part D
Determine the flux of the Poynting vector (i.e., the integral of S⃗ ⋅dA⃗ ) over the surface of the resistor.
Express your answer in terms of some, all, or none of the…
Steel train rails are laid in 15.0-m-long segments placed end to end. The rails are laid on a winter day when their
temperature is -1.0 °C.
Part A
How much space must be left between adjacent rails if they are just to touch on a summer day when their
temperature is 34.0°C?
Express your answer to two significant figures and include the appropriate units.
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Part B
If the rails are originally laid in contact, what is the stress in them on a summer day when their temperature is
34.0°C?
Express your answer using two significant figures. Enter positive value if the stress is tensile and negative
value if the stress is compressive.
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Constants
A glass flask whose volume is 1000.00 cm³ at 0.0°C is completely filled with mercury at this temperature. When flask
and mercury are warmed to 54.5 °C, 8.75 cm³ of mercury overflow.
Part A
If the coefficient of volume expansion of mercury is 18.0 × 10-5 K-1, compute the coefficient of volume expansion
of the glass.
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Chapter 6 Solutions
Physical Science
Ch. 6 - 1. Electrostatic charge results from
a. transfer...Ch. 6 - 2. The unit of electric charge is the
a. volt.
b....Ch. 6 - 3. An electric field describes the condition of...Ch. 6 - 4. A material that has electrons that are free to...Ch. 6 - 5. An example of an electrical insulator is
a....Ch. 6 - 6. The electrical potential difference between two...Ch. 6 - 7. The rate at which an electric current flows...Ch. 6 - 8. The law that predicts the behavior of...Ch. 6 - 9. What type of electric current is produced by...Ch. 6 - 10. The electrical resistance of a conductor is...
Ch. 6 - 11. According to Ohm’s law, what must be greater...Ch. 6 - 12. A kilowatt-hour is a unit of
a. power.
b....Ch. 6 - 13. If you multiply volts by amps, the answer will...Ch. 6 - 14. Units of joules per second are a measure...Ch. 6 - 15. A lodestone is a natural magnet that...Ch. 6 - The north pole of a suspended or floating bar...Ch. 6 - 17. A current-carrying wire always has
a. a...Ch. 6 - 18. Magnetism is produced by
a. an excess of north...Ch. 6 - 19. Earth's magnetic field
a. has undergone many...Ch. 6 - 20. The strength of a magnetic field around a...Ch. 6 - 21. Reverse the direction of a current in a wire,...Ch. 6 - 22. The operation of which of the following...Ch. 6 - Prob. 23ACCh. 6 - When a loop of wire cuts across magnetic field...Ch. 6 - 25. A step-up transformer steps up the
a....Ch. 6 - Prob. 26ACCh. 6 - 27. Electric power companies step up the voltage...Ch. 6 - 28. A solar cell
a. produces electricity...Ch. 6 - 29. Which of the following is most likely to...Ch. 6 - 30. Which of the following units are measures of...Ch. 6 - 31. You are using which description of a current...Ch. 6 - 32. In an electric current, the electrons are...Ch. 6 - 33. In which of the following currents is there no...Ch. 6 - Prob. 34ACCh. 6 - 35. A permanent magnet has magnetic properties...Ch. 6 - 36. A current-carrying wire has a magnetic field...Ch. 6 - 37. When an object acquires a negative charge, it...Ch. 6 - 38. A positive and a negative charge are initially...Ch. 6 - 39. To be operational, a complete electric circuit...Ch. 6 - 40. Which variable is inversely proportional to...Ch. 6 - 41. Which of the following is not considered to...Ch. 6 - 42. A piece of iron can be magnetized or...Ch. 6 - 43. Earth’s magnetic field is believed to...Ch. 6 - 44. Electromagnetic induction takes place...Ch. 6 - 45. The current in the secondary coil of a...Ch. 6 - 46. An electromagnet uses.
a. a magnetic field to...Ch. 6 - 47. A transformer.
a. changes the voltage of a...Ch. 6 - 48. A parallel circuit has
a. wires that are lined...Ch. 6 - 49. In which type of circuit would you expect a...Ch. 6 - 50. In which type of circuit would you expect the...Ch. 6 - 1. Explain why a balloon that has been rubbed...Ch. 6 - 2. Explain what is happening when you walk across...Ch. 6 - 3. Why does a positively or negatively charged...Ch. 6 - 4. Explain how you that it is an electric field,...Ch. 6 - 5. Is a kWh a unit of power or a unit of work?...Ch. 6 - 6. What is the difference between ac and dc?
Ch. 6 - Prob. 7QFTCh. 6 - 8. How is an unmagnetized piece of iron different...Ch. 6 - 9. Explain why the electric utility company...Ch. 6 - 10. Describe how an electric generator is able to...Ch. 6 - Prob. 11QFTCh. 6 - 12. Explain what causes an electron to move toward...Ch. 6 - 1. Explain how the model of electricity as...Ch. 6 - 2. What are the significant similarities and...Ch. 6 - 3. Transformers usually have signs warning,...Ch. 6 - 4. Will a fuel cell be the automobile engine of...Ch. 6 - 5. Analyze the apparent contradiction in the...Ch. 6 - 6. What are the basic similarities and differences...Ch. 6 - 7. What are the advantages and disadvantages of...Ch. 6 - 1. An inflated rubber balloon is rubbed with a...Ch. 6 - 2. What is the force between two balloons with a...Ch. 6 - 3. How much energy is available from a 12 V...Ch. 6 - 4. A wire carries a current of 2.0 A. at what rate...Ch. 6 - Prob. 5PEBCh. 6 - 6. There is a current of 0.83 A through a...Ch. 6 - 7. What is the voltage across a 60.0 resistor with...Ch. 6 - 7. What is the voltage across a 60.0 resistor...Ch. 6 - 9. A lightbulb designed to operate in a 120.0 V...Ch. 6 - 10. What is the monthly energy cost of leaving a...Ch. 6 - 11. An electric motor draws a current of 11.5 A in...Ch. 6 - 12. A swimming pool requiring a 2.0 hp motor to...Ch. 6 - 13. Is it possible for two people to...Ch. 6 - 14. A step-up transformer has a primary coil with...Ch. 6 - 15. The step-down transformer in a local...Ch. 6 - 16. A step-down transformer connected to a 120 V...Ch. 6 - 17. What is the power of an 8.0-ohm bulb when...
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- An insulated beaker with negligible mass contains liquid water with a mass of 0.285 kg and a temperature of 79.9 °C. Part A How much ice at a temperature of -21.4 °C must be dropped into the water so that the final temperature of the system will be 28.0°C? . Take the specific heat of liquid water to be 4190 J/kg K, the specific heat of ice to be 2100 J/kg K, and the heat of fusion for water to be 3.34×105 J/kg. ▸ View Available Hint(s) Mice = ΕΕ ΑΣΦ ? kgarrow_forwardPart A Calculate the change in entropy when 1.00 kg of water at 100 °C is vaporized and converted to steam at 100 °C. Assume that the heat of vaporization of water is 2256 × 103 J/kg. - ΕΠΙ ΑΣΦ VAΣ ? AS = Submit Request Answer Part B J/K Calculate the change in entropy when 1.00 kg of ice is melted at 0°C. Assume that the heat of fusion of water is L₁ = 3.34 × 105J/kg. VG ΑΣΦ AS = Submit Request Answer Part C Is the change entropy greater for melting or for vaporization? the change entropy greater for melting the change entropy greater for vaporization Submit Request Answer J/Karrow_forwardConstants A 10.8 L gas tank containing 3.20 moles of ideal He gas at 25.0 °C is placed inside a completely evacuated insulated bell jar of volume 36.0 L . A small hole in the tank allows the He to leak out into the jar until the gas reaches a final equilibrium state with no more leakage. Part A What is the change in entropy of this system due to the leaking of the gas? ΕΠΙ ΑΣΦ AS = Submit Request Answer Part B Is the process reversible or irreversible? Please Choose Submit Request Answer Provide Feedback ? J/K Next >arrow_forward
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