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 3, Problem 12PEB
(a) What is the kinetic energy of a 1,500.0 kg car with a velocity of 72.0 km/h? (b) How much work must be done on this car to bring it to a complete stop?
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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
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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.
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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 = 0.42. 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 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...
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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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