KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4. energy (4.2) 5. kinetic energy 6. potential energy 7. gravitational potential energy 8. conservation of total energy (4.3) 9. conservation of mechanical energy 10. power (4.4) 11. watt 12. horsepower 13. kilowatt-hour 14. alternative energy sources (4.6) 15. renewable energy sources For each of the following items, fill in the number of the appropriate Key Term from the preceding list. k. _____ Equal to work done against gravity

BuyFind

An Introduction to Physical Science

14th Edition
James Shipman + 3 others
Publisher: Cengage Learning
ISBN: 9781305079137
BuyFind

An Introduction to Physical Science

14th Edition
James Shipman + 3 others
Publisher: Cengage Learning
ISBN: 9781305079137

Solutions

Chapter
Section
Chapter 4, Problem KM
Textbook Problem

KEY TERMS

  1. 1. work (4.1)
  2. 2. joule
  3. 3. foot-pound
  4. 4. energy (4.2)
  5. 5. kinetic energy
  1. 6. potential energy
  2. 7. gravitational potential energy
  3. 8. conservation of total energy (4.3)
  4. 9. conservation of mechanical energy
  5. 10. power (4.4)
  1. 11. watt
  2. 12. horsepower
  3. 13. kilowatt-hour
  4. 14. alternative energy sources (4.6)
  5. 15. renewable energy sources

For each of the following items, fill in the number of the appropriate Key Term from the preceding list.

k. _____ Equal to work done against gravity

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Chapter 4 Solutions

An Introduction to Physical Science
Ch. 4.4 - A student expends 7.5 W of power in lifting a...Ch. 4.4 - A household uses 2.00 kW of power each day for 1...Ch. 4.5 - How many common forms of energy are there, and...Ch. 4.5 - What are the two leading fuels consumed in the...Ch. 4.6 - What is the difference between alternative and...Ch. 4.6 - Why are solar power and wind power somewhat...Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4....Ch. 4 - Work is done on an object when it is ___. (4.1)...Ch. 4 - Which of the following is a unit of work? (4.1)...Ch. 4 - What is the SI unit of energy? (4.2) (a) ft lb...Ch. 4 - Which of the following objects has the greatest...Ch. 4 - A pitcher throws a fastball. When the catcher...Ch. 4 - The reference point for gravitational potential...Ch. 4 - When the height of an object is changed, the...Ch. 4 - Mechanical energy is ___. (4.2) (a) the sum of...Ch. 4 - On which of the following does the speed of a...Ch. 4 - Power is expressed by which of the following...Ch. 4 - If motor A has twice as much horsepower as motor...Ch. 4 - In the United States, which one of the following...Ch. 4 - Which one of the following would not be classified...Ch. 4 - Which of the following renewable energy sources...Ch. 4 - Work is equal to the force times the ___ distance...Ch. 4 - Work is a ___ quantity. (4.1)Ch. 4 - The unit N m is given the special name of ___ ....Ch. 4 - When energy is transferred from one object to...Ch. 4 - Mechanical energy consists of ___ and potential...Ch. 4 - The stopping distance of an automobile on a level...Ch. 4 - Kinetic energy is commonly referred to as the...Ch. 4 - The total energy of a(n) ___ system remains...Ch. 4 - The time rate of doing work is called ___, and is...Ch. 4 - A horsepower is equal to about ___ kW. (4.4)Ch. 4 - The kilowatt-hour (kWh) is a unit of ___ . (4.4)Ch. 4 - In the United States, ___ is the most consumed...Ch. 4 - Renewable energy sources cannot be ___ . (4.6)Ch. 4 - Gasohol is gasoline mixed with ___ . (4.6)Ch. 4 - What is required to do work?Ch. 4 - Do all forces do work? Explain.Ch. 4 - What does work on a shuffleboard puck as it slides...Ch. 4 - A weight lifter holds 900 N (about 200 lb) over...Ch. 4 - For the situation in Fig. 4.4a, if the applied...Ch. 4 - Car B is traveling twice as fast as car A, but car...Ch. 4 - Why are water towers very tall structures and...Ch. 4 - If the speed of a moving object is doubled, how...Ch. 4 - A book sits on a library shelf 1.5 m above the...Ch. 4 - (a) A car traveling at a constant speed on a level...Ch. 4 - An object is said to have a negative potential...Ch. 4 - Distinguish between total energy and mechanical...Ch. 4 - A ball is dropped from a height at which it has 50...Ch. 4 - When is total energy conserved? When is mechanical...Ch. 4 - A simple pendulum as shown in Fig. 4.24...Ch. 4 - Two students throw identical snowballs from the...Ch. 4 - A mass suspended on a spring is pulled down and...Ch. 4 - When you throw an object into the air, is its...Ch. 4 - Could motors with -hp and -hp outputs be used to...Ch. 4 - Persons A and B do the same job, but person B...Ch. 4 - What does a greater power rating mean in terms of...Ch. 4 - What do we pay the electric company for, power or...Ch. 4 - A 100-W light bulb uses how much more energy than...Ch. 4 - Which fuel is consumed the most in the United...Ch. 4 - Which fuel is used the most in the generation of...Ch. 4 - On average, how much energy do you radiate each...Ch. 4 - List some different general forms of energy (other...Ch. 4 - What are two examples of alternative energy...Ch. 4 - What are two examples of renewable energy sources?Ch. 4 - Which two renewable energy sources are affected by...Ch. 4 - Visualize the connections and give answers in the...Ch. 4 - A fellow student tells you that she has both zero...Ch. 4 - Two identical stones are thrown from the top of a...Ch. 4 - A person on a trampoline can go higher with each...Ch. 4 - With which of our five senses can we detect...Ch. 4 - What are three common ways to save electricity to...Ch. 4 - A worker pushes horizontally on a large crate with...Ch. 4 - While rearranging a dorm room, a student does 400...Ch. 4 - A 5.0-kilo bag of sugar is on a counter. How much...Ch. 4 - How much work is required to lift a 6.0-kg...Ch. 4 - A man pushes a lawn mower on a level lawn with a...Ch. 4 - If the man in Exercise 5 pushes the mower with 40%...Ch. 4 - How much work does gravity do on a 0.150-kg ball...Ch. 4 - A student throws the same ball straight upward to...Ch. 4 - (a) What is the kinetic energy in joules of a...Ch. 4 - A 60-kg student traveling in a car with a constant...Ch. 4 - What is the kinetic energy of a 20-kg dog that is...Ch. 4 - Which has more kinetic energy, a 0.0020-kg bullet...Ch. 4 - A 0.50-kg block initially at rest on a...Ch. 4 - How much farther would the force in Exercise 13...Ch. 4 - What is the potential energy of a 3.00-kg object...Ch. 4 - How much work is required to lift a 3.00-kg object...Ch. 4 - An object is dropped from a height of 12 m. At...Ch. 4 - A 1.0-kg rock is dropped from a height of 6.0 m....Ch. 4 - A sled and rider with a combined weight of 60 kg...Ch. 4 - A 30.0-kg child starting from rest slides down a...Ch. 4 - If the man in Exercise 5 pushes the lawn mower 6.0...Ch. 4 - If the man in Exercise 5 expended 60 W of power in...Ch. 4 - A student who weighs 556 N climbs a stairway...Ch. 4 - A 125-lb student races up stairs with a vertical...Ch. 4 - On a particular day, the following appliances are...Ch. 4 - A microwave oven has a power requirement of 1250...

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