Physical Science
11th Edition
ISBN: 9780077862626
Author: Bill Tillery, Stephanie J. Slater, Timothy F. Slater
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 3, Problem 35AC
To determine
The name of solar technology that makes more economic sense todaythan the other applications, from the following options:
a. solar cells.
b. power tower.
c. water heating.
d. ocean thermal energy conversion.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
What is the difference between when work is
done by a system and when work is done on
a system?
a. Work done on a system causes an
increase in the energy of the system.
O b. Work done by a system causes an
increase in the energy of the system.
O c.
С.
None of them makes
ay
difference in
the energy of the system.
Suppose you require 2500 food Calories per day.
a. What is your average power, in watts?
b. How much energy, in joules, do you require from food in a year? Counting all forms of energy (such as gasoline, electricity, and energy for heating), the average person consumes about 350
billion joules of energy each year. Compare this value to the energy needed from food alone.
a. What is your average power, in watts?
Approximately 121 watts
(Round to the nearest whole number as needed.)
b. The energy required from food is approximately billion joules per year.
(Round to the nearest tenth as needed.)
What is the best description of gravitational potential energy?
a. The energy stored, dependent on the object's height from the ground.
b. The strength from a moving object.
c. The energy exerted through stretching or squashing an object.
d. The strength stored between molecules, in chemical bonds.
Chapter 3 Solutions
Physical Science
Ch. 3 - According to the definition of mechanical work,...Ch. 3 -
2. The metric unit of a joule (J) is a unit of...Ch. 3 -
3. A N m/s is a unit of...Ch. 3 - Prob. 4ACCh. 3 - Prob. 5ACCh. 3 -
6. A power rating of 1 joule per s is known as a...Ch. 3 -
7. According to PE = mgh, gravitational potential...Ch. 3 -
8. Two cars have the same mass, but one is moving...Ch. 3 - Prob. 9ACCh. 3 -
10. Potential energy and kinetic energy are...
Ch. 3 -
11. Many forms of energy in use today can be...Ch. 3 -
12. In all of our energy uses, we find that...Ch. 3 - Prob. 13ACCh. 3 - Prob. 14ACCh. 3 - Prob. 15ACCh. 3 -
16. The amount of energy generated by...Ch. 3 - Prob. 17ACCh. 3 - Prob. 18ACCh. 3 -
19. A renewable energy source is...Ch. 3 - Prob. 20ACCh. 3 - Prob. 21ACCh. 3 -
22. Which quantity has the greatest influence on...Ch. 3 - Prob. 23ACCh. 3 -
24. Most all energy comes to and leaves Earth in...Ch. 3 -
25. A spring-loaded paper clamp exerts a force of...Ch. 3 -
26. The force exerted when doing work by lifting...Ch. 3 -
27. The work accomplished by lifting an object...Ch. 3 -
28. An iron cannonball and a bowling ball are...Ch. 3 -
29. Two students are poised to dive off...Ch. 3 -
30. A car is moving straight down a highway. What...Ch. 3 - 31. Two identical cars are moving straight down a...Ch. 3 - Prob. 32ACCh. 3 - Prob. 33ACCh. 3 -
34. Today, the basic problem with using solar...Ch. 3 - Prob. 35ACCh. 3 -
36. Petroleum is believed to have formed over...Ch. 3 -
1. How is work related to energy?
Ch. 3 -
2. What is the relationship between the work done...Ch. 3 - Does a person standing motionless in the aisle of...Ch. 3 - Prob. 4QFTCh. 3 -
5. Is a kWh a unit of work, energy, power, or...Ch. 3 -
6. If energy cannot be destroyed, why do some...Ch. 3 -
7. A spring damp exerts a force on a stack of...Ch. 3 -
8. Why are petroleum, natural gas, and coal...Ch. 3 -
9. From time to time, people claim to have...Ch. 3 -
10. Define a joule. What is the difference...Ch. 3 -
11. Compare the energy needed to raise a mass 10...Ch. 3 -
12. What happens to the kinetic energy of a...Ch. 3 -
l. Evaluate the requirement that something must...Ch. 3 -
2. What are the significant similarities and...Ch. 3 -
3. Whenever you do work on something, you give it...Ch. 3 -
4. Simple machines are useful because they are...Ch. 3 -
5. Use the equation for kinetic energy to prove...Ch. 3 -
6. Describe at least several examples of negative...Ch. 3 -
7. The forms of energy are the result of...Ch. 3 -
8. Most technological devices convert one of the...Ch. 3 -
9. Are there any contradictions to the law of...Ch. 3 -
1. How much work is done when a force of 800.0 N...Ch. 3 -
2. A force of 400.0 N is exerted on a 1,250 N car...Ch. 3 -
3. A 5.0 kg textbook is raised a distance of 30.0...Ch. 3 -
4. An electric hoist does 196,000 J of work in...Ch. 3 -
5. What is the horsepower of a 1,500.0 kg car...Ch. 3 -
6. (a) How many horsepower is a 250 W lightbulb?...Ch. 3 -
7. What is the kinetic energy of a 30–gram bullet...Ch. 3 -
8. How much work will be done by a 30–gram bullet...Ch. 3 -
9. A force of 50.0 lb is used to push a box 10.0...Ch. 3 -
10. (a) How much work is done in raising a 50.0...Ch. 3 -
11. What is the kinetic energy in J of a 60.0 g...Ch. 3 -
12. (a) What is the kinetic energy of a 1,500.0...Ch. 3 -
13. The driver of an 800.0 kg car decides to...Ch. 3 -
14. Compare the kinetic energy of an 800.0 kg car...Ch. 3 -
15. A 175.0 lb hiker is able to ascend a 1,980.0...Ch. 3 -
16. (a) How many seconds will it take a 10.0 hp...Ch. 3 -
17. A ball is dropped from 20.0 ft above the...Ch. 3 -
18. What is the velocity of a 60.0 kg jogger with...Ch. 3 -
19. A small sports car and a pickup truck start...Ch. 3 -
20. A 70.0 kg student runs up the stairs of a...
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
- Which one of the following statements concerning the principle of conservation of energy is false? а. The total energy in the universe has a constant value. b. Kinetic energy may be converted into gravitational potential energy and heat. c. Thermal energy may be converted into kinetic energy and kinetic energy may be converted into thermal energy. d. Chemical energy may be converted into thermal energy and gravitational potential energy. е. The net work done on an object must be zero joules since energy is neither created nor destroyed in the process.arrow_forward6. Engines, including car engines, are rated in horsepower. What is horsepower? The force needed to keep the engine running at a steady rate. b. The energy the engine needs to obtain from gasoline or some other source. The rate at which the engine can do work. d. The amount of work the engine can perform. а. с.arrow_forwardA person is walking on level ground at constant speed. What energy transformation is taking place?A. Chemical energy is being transformed to thermal energy.B. Chemical energy is being transformed to kinetic energy.C. Chemical energy is being transformed to kinetic energy and thermal energy.D. Chemical energy and thermal energy are being transformed to kinetic energy.arrow_forward
- The energy efficiency of electric vehicles is usually rated in terms of the kilowatt-hours (of energy) required to drive 100 miles, or kWh/100 mi. An electric car is rated at 38 kWh/100 mi. a. Is a vehicle rated 27 kWh/100 mi more or less efficient than this electric car? b. How much energy (in kilowatt-hours) is required to drive this electric car 260miles? c. Assuming electricity costs $0.14/kWh, how much does it cost to drive this electric car 350 miles?arrow_forward5. According to the law of conservation of energy, the total amount of energy in the universe a. remains constant c. increases d. decreases b. changes constantly 6. A device that does work with only one movement and changes the size or direction of a force is a(n)_ a. compound machine b. effort machine с. screw d. simple machine 7. The amount by which a machine multiplies an effort force is called the a. efficiency factor b. fulcrum c. mechanical advantage d. resistance force 8. A machine that has the same output force as the input force has a mechanical advantage of с. 5 d. 1 a. 100 b. 10 9. The unit of power is the a. joule b. watt с. m/s d. second 10. Machines make tasks easier by changing either the magnitude or the direction of the a. force b. work needed. c. energy d. velocity 1/6 >arrow_forwardWhen a hybrid car brakes to a stop, much of its kinetic energy is transformed to A. Heat B. Work C. Electric potential energy D. Gravitational potential energyarrow_forward
- I'm trying to understand the different types of energies. I understand the definitions, but when I apply them to situations, it doesn't make much sense to me. I have the following: A. Entrophy - measure of the amt of disorder, or randomness in a system B. Kinetic Energy - Energy in Motion C. Heat - kinetic energy contained in the random motion of atoms & molecules D. Chemical Energy - type of potential energy which arises from the arrangement of atoms and be release in chemical reactions E. Conservation of Energy: Kinetic to Potential Energy - its not possible to destroy or create energy F. Conservation of Energy: Potential to Kinetic G. Potential Energy - Energy an object has because of its location or structure When I try to apply to the following, I come up with this: A: A Glass falls off the shelf & breaks B. An orange falling from a tree C. During exercise you get extremely hot. D Animals consume food (organic molecules) to make ATP to walk, breathe, etc. E. A large…arrow_forwardI. A baseball with a mass of 0.65 kg was pitch into the air at a height of 25 meter above the ground with a velocity of 15 m/s. Determine the followinga. the baseball's kinetic energyb. the gravitational potential energy of the baseball relative to the ground. II. Solve the work done by a 600 W electric mixer in 2.3 minutes.arrow_forwardThe mass energy equivalence shows that conservation of mass is a restatement of — A the first law of thermodynamics. B Charles' Law. C Kirchoff's Law. D Newton's Second Law.arrow_forward
- How can energy be transferred to and from a system? a. Energy can only be transferred as heat. b. Energy can only be transferred as work. c. Energy can be transferred as heat and/ or work. d. Energy can only be transferred as potential energy being converted to kinetic energy.arrow_forward4. Consider a lightbulb rated for a power of 20 watts. This lightbulb consumes a certain amount of electrical energy in 1 second of use. Suppose we want to generate the same amount of energy by dropping from height to ground level. If the mass of the lightbulb Is 0.050 kg, what is h or the height?arrow_forwardThe amount of potential energy possessed by an elevated object is equal to A.) The work done in lifting it. B.) The power used to lift it. C.) The distance it is lifted. D.) The value of the weight due to gravity.arrow_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 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
Kinetic Energy and Potential Energy; Author: Professor Dave explains;https://www.youtube.com/watch?v=g7u6pIfUVy4;License: Standard YouTube License, CC-BY