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 4QFT
Explain how you that it is an electric field, not electrons, that moves rapidly through a circuit.
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Blocks A and B each have a mass m = 14 kg. The coefficient of static friction between
A and B is μg = 0.36. The angle shown is 0 = 39°. Neglect any friction between B and
C.
A
0 B
P
C
Determine the largest horizontal force P that can be applied so that A will not slip on B
Ŕ =
number (rtol=0.05, atol=1e-08)
N
Two children push on opposite sides of a door during play. Both push horizontally and
perpendicular to the door. One child pushes with a force of 53 N at a distance of 0.16 m
from the hinges, and the second child pushes at a distance of 0.23 m.
Part 1
What force must the second child exert to keep the door from moving? (Direction
does not matter)
F =
number (rtol=0.05, atol=1e-08)
N
Blocks A and B each have a mass m = 14 kg. The coefficient of static friction between
A and B is μg = 0.42. The angle shown is 0 = 48°. Neglect any friction between B and
C.
A
0 B
C
Determine the largest horizontal force P that can be applied so that A will not slip on B
P= number (rtol=0.05, atol=1e-08)
N
?
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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- Two cars are driving at 19 m/s along the road shown in the figure. Car B is at the bottom of a hill and car C is at the top. Both hills have a 263 m radius of curvature. Suppose both cars suddenly brake hard and start to skid. Part 1 B What is the tangential (parallel to the road) acceleration of car B? Assume μk = 0.850 and car B has velocity in the positive direction. a = Part 2 number (rtol=0.05, atol=1e-08) %|3 What is the tangential (parallel to the road) acceleration of car C? Assume μk=0.850 and car C has velocity in the positive direction. a = number (rtol=0.05, atol=1e-08) IIIarrow_forwardBlocks A and B each have a mass m = 10 kg. The coefficient of static friction between A and B is μg = 0.25. The angle shown is 0 = 31°. Neglect any friction between B and C. A 0 B P C Determine the largest horizontal force Ễ that can be applied so that A will not slip on B Ŕ = number (rtol=0.05, atol=1e-08) Narrow_forwardTwo cars are driving at 19 m/s along the road shown in the figure. Car B is at the bottom of a hill and car C is at the top. Both hills have a 263 m radius of curvature. Suppose both cars suddenly brake hard and start to skid. Part 1 B What is the tangential (parallel to the road) acceleration of car B? Assume μk = 0.850 and car B has velocity in the positive direction. a = Part 2 number (rtol=0.05, atol=1e-08) %|3 What is the tangential (parallel to the road) acceleration of car C? Assume μk=0.850 and car C has velocity in the positive direction. a = number (rtol=0.05, atol=1e-08) IIIarrow_forward
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