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Excerpt from Text-Book of General Physics for High Schools and Colleges The Ether. - A careful study of the phenomena of light led philosophers many years ago to the belief that there is present in space another medium for phenomena than that furnished by ordinary matter. As we shall see later, there is every reason for believing that throughout the vast regions of space in the solar system, and beyond, ordinary matter is absent, except in certain cases as thin atmospheres around the planets and stars; it is also known that the sensation which we call light is due to the fact that waves enter the eye; therefore, when one sees a star, one has evidence that waves have left the star and have crossed space void of ordi nary matter. There must be present, then, in this space a medium that can carry waves: it is called the ether (sometimes and its properties will be discussed more fully in what follows. Similarly, in order to explain many electrical and magnetic phenomena, it was necessary to assume the existence of a medium different from ordinary matter, and one of the great achievements of the last century was the proof that this medium was the ether. There is, moreover, at present no evidence of the existence in our uni verse of any other media than ordinary matter and the ether. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
This textbook provides a thorough introduction to the principles of general physics, aimed at high school and college students. Author Joseph Ames covers topics such as mechanics, heat, sound, and light, providing clear explanations and numerous examples. With detailed illustrations and practical exercises, students can gain a solid understanding of fundamental physics concepts. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Excerpt from A Text-Book of General Physics: For the Use of Colleges and Scientific Schools The class of students for which this text-book is designed is supposed to have a useful knowledge of trigonometry, but not of calculus. This is in agreement with the courses of instruction in most of our American colleges; but it has ordinarily the disadvantage of leaving rather a large inter val between the study of the philosophy of physics and the application of its principles to engineering. Especially true is this of thermodynamics and electricity where it is Often difficult for the student to recognize the fact that the un accustomed mathematical processes are simply easier means of attaining an understanding of a physical problem and not an end in themselves. For this reason the subjects men tioned are developed with somewhat more completeness than usual, so that the engineering student can find the essential notions of his advanced work logically connected with those acquired at an earlier time. Of course such an extension implies an exercise of choice on the 'part of the teacher as to what may be omitted in first reading with a class of which only a portion expects to pursue the subject farther. In Chapter XLI will be found a treatment, quite ele mentary in character, of the limiting powers of optical instruments. This is, of course, of great philosophical in terest, because it is by the means of such instruments that we attain the greatest enlargement of our intellectual horizon. Notwithstanding the simplicity of the exposition, it does-not seem to have been done before in unmathematical language. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from General Physics: An Elementary Text-Book for Colleges A vector quantity is simply one which resembles a limited straight line in three particulars; namely, in the possession of direction, sense, and numerical magnitude. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
This is part two of two for College Physics. This book covers chapters 18-34. Please note: The text and images in this textbook are grayscale and the format size has been reduced from 8.5" x 11" to 7.44" x 9.69." This introductory, algebra-based, two-semester college physics book is grounded with real-world examples, illustrations, and explanations to help students grasp key, fundamental physics concepts. College Physics includes learning objectives, concept questions, links to labs and simulations, and ample practice opportunities to solve traditional physics application problems.
Excerpt from A Text-Book of General Physics for Colleges Mechanics and Heat Some changes 'have been made in the form of the usual college text and in the method of presentation. The aim of the writer has constantly been to say the words that would help the student to understand the subject. Thus it is hoped that the book will prove to be not only a treatise but also a text - book for students. Reference matter and tables are placed in the appendix instead of being scattered through the text. This takes less room and is much more convenient for reference. A number of short lists of problems are found where they are needed to illustrate the application of principles learned. Answers to problems are given at the end of the lists, but a student should be, made to understand that numerical results are not so impor tant here as his ability to present the line of argument involved in the problem. The tables of Sines, cosines, tangents, etc., are intended to make the book more desirable as a complete working text. We acknowledge our obligation to the Ball Engine Co. For cuts of the steam engine, to D. Van Nostrand Co. For cut of the Parsons steam turbine, to the Taylor Instrument Companies for the cuts of pyrometers, and to the De Laval Steam Turbine Co. For cuts of the De Laval turbine. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from A Text-Book on Physics: Being a Short and Complete Course Based Upon the Larger Work of Ganot for the Use of Academies, High Schools, Etc The Synopses are designed to furnish a ready method of topical review, and hence have been made fully exhaustive of the text The arrangement in each presents a clear analysis of that part of the sub jcet to which it refers; and thus, while serving to fix in the mind of the student the logical relations of the different topics, can not fail to be serviceable to the instructor both for examination and drill. The Applications of Principles are intended to supply an exercise which can readily be extended by the intelligent teacher, the student being encouraged to find material for similar inquiry. Success in teaching this subject depends very much upon the degree in which the pupil's mind is awakened to such a spirit of investigation. The Problems for Exercise have been made sufficiently simple to be solved by students who possess but an elementary knowledge of mathematics, and will serve still further to discipline the mind in this kind of inquiry, as well as to apply the principles acquired. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from A College Text-Book of Physics In offering this work to my fellow teachers, a word of explana tion is due. The book was undertaken some years ago when the writer felt the want of a text-book adapted to the needs of students taking the general first year course in college. As the work has slowly progressed several text-books of very similar aim have appeared, and it must be admitted that the call is not so impera tive now as formerly; and yet it is hoped that the treatment here presented may meet some still existing demand and so justify its existence. What may be called the physical rather than the mathematical method has been preferred in giving definitions and explana tions, because it is believed that the ideas presented are more easily grasped and more tenaciously held when the mind forms for itself a sort of picture of the conditions, instead of merely associating them with the symbols of a formula. There are many minds that do not easily grasp mathematical reasoning even of a simple sort; and it is often the case also that a student who may be able to follow an algebraic deduction step by step has very little idea of the significance of the whole when he reaches the end. Algebra is not his native tongue and it takes considerable time and experience for him to learn to think in it. And while all will agree that for the more advanced study of physics, mathematics is quite indispensable, many will grant that in a general course, which is to furnish to most of those taking it all that they will ever know of physics as a science, the ideas and reasonings should be presented as directly as possible and in the most simple and familiar terms. This then has been the central aim in the preparation of this book; to give the student clear and distinct conceptions Of the various ideas and phenomena of physics, and to aid him in think ing through the relations between them, to the end that he may see something of the underlying unity of the subject; and to carry out this aim in such a manner that students may not be repelled by any unnecessary prominence of symbolic methods. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.