Answer the following questions concerning the conservation of momentum using the equations below. The drivers step on the brakes and all automobiles are brought to rest. When we say someone has a lot of momentum, it means they are on a roll, difficult to stop, really moving forward. What chapter 8 explains therefore, along with connecting to the ideas of others, its also important that writers connect their own ideas to each other. An object with a small mass can have a large momentum if the object is traveling at a high true speed. Worksheet conservation of momentum chapter 8 momentum answers. Chapter 8 conceptual physics reading and study wotkbook. Chains questions and answers discover the community of teachers, mentors and students just like you that can answer any question you might have on chains. On a short time scale, rocks like these in australias kings canyon are static, or motionless relative to the earth. Newton determined that a net force was something that caused a time rate of change of momentum. In chapter 8 of the welty, rorrer and foster book, the authors carry out a momentum balance around the differential element shown in the figure a shell balance, and obtain a parabolic velocity profile for this system. Find the corresponding video lessons within this companion course chapter. The more mass an object has, the more momentum it has.
You will find that all of the solved examples in this book and the selected answers in the back adhere to these rules on significant figures and you should too, whenever possible. Yes, momentum is a vector quantity, and the momenta of the two cars are in opposite directions. Goals for chapter 8 to learn the meaning of the momentum of a particle and how an impulse causes it to change to learn how to use the conservation of momentum to learn how to solve problems involving collisions to learn the definition of the center of mass of a system and what determines how it moves. Physics with modern physics 14th edition answers to chapter 8 momentum, impulse. Rotational motion if you ride near the outside of a merrygoround, do you go faster or slower than if you ride near the middle. Three of the five projects bound book project, half book project, and shutterfold project lend themselves to the use of whole sheets of notebook paper or photocopy paper. Identify the lessons in prentice hall conceptual physics momentum chapter with which you need help. The answer choices youre given say g, e, i and hang on. Using the impulsemomentum theorem we can conclude that f. The outsiders questions and answers discover the community of teachers, mentors and students just like you that can answer any question you might have on the outsiders. Beginning with an introduction to physics and scientific processes and followed by chapters focused on motion, mechanics, thermodynamics, waves, and light, this book. The reason that my sign convention is different from the book thrust. When we speak of forces in this chapter, we mean the average force.
You can help us out by revising, improving and updating this answer. The automobiles have different masses and velocities. Momentum is what the book calls inertia in motion it depends on both an objects mass inertia and velocity. Momentum plays a pivotal role in extending our understanding of newtons laws. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Compared to the lighter car, the momentum of the heavier car is 3. After you claim an answer youll have 24 hours to send in a draft. Chapter 8 momentum and impulse 1 momentum and impulse yumpu. Choose a chapter from college physics openstax college. Worksheet conservation of momentum chapter 8 momentum. You can skip questions if you would like and come back to them later with the yellow go to first skipped question button. Conceptual physics rocklin unified school district. After signing in, youll be brought to your profile page. Mass is inertia for our purposes it measures an objects resistance to acceleration.
Showing top 8 worksheets in the category momentum word problems chapter 8. Chapter 1 pdf chapter 2 pdf chapter 3 pdf chapter 4 pdf chapter 5 pdf chapter 6 pdf chapter 7 pdf chapter 8 pdf chapter 9 pdf chapter 10 pdf. The two descriptions are the same if the mass of the object in question does not change. Momentum, impulse and collisions 99 same, k 1 k 2 1 2 mv2 1 1 2 2mv2 2 8. What usually is the changing factor when momentum changes. Ch 8 study guide online practice exam exam study guide. The forces involved in impulses usually vary from instant to instant. And in chapter 4 you learned the galilean transformation of velocity. Impulse changes momentum check your answer workbook 31. The best compositions establish a sense of momentum and direction by making explicit connections among.
For example, a kg truck backing out of a driveway at 0. If you dont see any interesting for you, use our search form on bottom v. Introduction to momentum the definition momentum is a word we sometime use in everyday language. When you have completed the practice exam, a green submit button will appear. This allows essays and indepth research projects to be included in chapter study guides. Consider the incompressible fluid flow of a newton. Impulse and momentum ranking task six automobiles are initially traveling at the indicated velocities. Question 8 of the impossible quiz book asks what is the seventh letter of the alphabet.
University physics with modern physics 14th edition chapter 8. This physics resource was developed under the guidance and support of experienced high school teachers and subject matter experts. The rules for the correct use of significant figures can be found in appendix a. Each rugby player has great momentum, which will affect the outcome of their collisions with each other and the ground. Newton determined that a net force was something that caused a. It takes into account the mass of an object m, and its velocity v. Hewitt summary of terms, summary of formulas, and terms within the textbook. What is the velocity of the two toy trucks after the collision. See the answer consider the incompressible fluid flow of a newtonian fluid shown in the figure. Answer the following questions based on reading from chapter 9 pgs. To determine the momentum of a particle to add time and study the relationship of impulse and momentum to see when momentum is conserved and examine the implications of conservation to use momentum as a tool to explore a variety of collisions to understand the center of mass. Momentum and its conservation chapter practice problems 9. The thermal energy can be felt on exposed skin a few meters away, and its light can be seen for kilometers.
Your inline skates are sitting in a box on a shelf in the closet. Choose your answers to the questions and click next to see the next set of questions. We have defined momentum to be the product of mass and velocity. Single or multiple sheets of paper can be stapled or braided onto these projects. Momentum is the inertial energy of a body or object, generally a term that describes the energy stored in a moving mass. Determine the concept the kinetic energy of a particle, as a function of its momentum, is given byk p2 2m. Two cars, one twice as heavy as the other, move down a hill at the same speed. To increase the momentum of an object, it makes sense to apply the greatest force possible for as long as possible. Justify the number of significant digits in your answer. Momentum word problems chapter 8 displaying top 8 worksheets found for this concept some of the worksheets for this concept are work momentum word problems, momentum problems and answers work, momentum problems and answers work, chapter 8 momentum, chapter 8 conservation of linear momentum, homework solutions chapter 8 momentum 7, impulse momentum. P mv p before p after ft amv impulse fat net momentum net momentum after 2 2 after 2 2 before 11 1. After firing, the net momentum, or total momentum, is zero because the momentum of the cannon is equal and opposite to the momentum of the cannonball. Peoples physics book ch 81 the big idea when any two bodies in. Peruse the table of videos to explore our video library as aligned to the conceptual physical science explorations textbook.
On this page you can read or download chapter 8 conceptual physics reading and study wotkbook with answers in pdf format. The answer to this question entails considering a sufficiently large system. It is important that you have clear relations between one statement and the next. The table pushes up on the book with an equal and opposite force.
The roller skate and truck can have the same momentum if the speed of the roller skate is much greater 8. Question 8 the impossible quiz book the impossible. Click below to view the answers to the endof chapter practice questions in the aqa a level sciences student books. Youll need a course id from your instructor to register. For this reason the conservation of energy expresses changes caused by force in time.
More specifically, momentum is the mass of an object multiplied by its velocity. Some of the worksheets displayed are work momentum word problems, momentum problems and answers work, momentum problems and answers work, chapter 8 momentum, chapter 8 conservation of linear momentum, homework solutions chapter 8 momentum 7, impulse momentum. When these two freight cars of different mass collide and couple. The derivation of ft amv is given in appendix g, note 8. You and your friend move in opposite directions the one with least mass moves faster. Chapter 8 conservation of linear momentum conceptual problems 1 ssm show that if two particles have equal kinetic energies, the magnitudes of their momenta are equal only if they have the same mass.
Mastering physics chapter 8 momentum, impulse, and collisions answers to my homework. Write the momentum formula, including the correct units. The system starts with zero momentum nobody is moving after. If i am on roll er blades, i can push against a wall.
Is the momentum of a car traveling south different from that of the same car when it travels north at the same speed. Momentum word problems chapter 8 worksheets kiddy math. Chapter 8 conservation of linear momentum physics 201 october 22, 2009 conservation of linear momentum. Where can you find all the answers to the chapter 8 test. Momentum word problems chapter 8 teacher worksheets. Just like the last option hints at you, this question will indeed look familiar to you assuming you have. Momentum, impulse and collisions 98 similarly to the energy conservation which is fundamentallyduetotime shift symmetry of physics laws, the momentum conservation isduetospace shift symmetry. It depends on whether faster means a faster linear speed speed, ie more distance covered per second. The recoil momentum of a cannon that kicks is more than less than the momentum of the cannonball it fires.