Elementary Physics: Problems and Solutions

520 Pages·1989·13.117 MB·English

by  I. P. Gurskii

▪ ▪
Atia
▪ 19.91
tr
33
th
3.
3 7:
n.
2.;
:71
..(cid:9) . 991 SII
tc:
acv
21
-7.F74
199s Pa*
a
—(cid:9) V.T.951P-FaX=J 2+ .99
21 ri,a7da-994-
.72
ma.

ElenientaW
physics
14. 11. rypcicmil
3JIEMEHTAPHASI
DH3HKA
C IIPHMEPAMI4
PEILIEHH51 3A,EtAT-I
Ilo,a pe,aaxwiefi H. B. Casenbeaa
H3RaTenbc-rso «Hayxa»
Mociata
I.P.Gurskii
Elementary
Physics
PROBLEMS
AND
SOLUTIONS
Mir
Publishers
Moscow
Translated from Russian
by Natalia Wadhwa
First published 1987
Revised from the 1984 Russian edition
Ha ane.auficKom n3b1Ke
Printed in the Union of Soviet Socialist Republics
© H3AaTe.T1bCTBO «Flayica», Fnatinasi pertaKum c4mt3HKo-maTemant4ecKoil
mtTepaTypb1, 1984 .
© English translation, Mir Publishers, 1987
Foreword
This is a translation of the third revised edition of Elementary Physics:
Problems and Solutions. It was prepared by the editorial staff of Nauka
Publishers, Moscow, after the death of Dr. Isaak Gurskii (1903-1980).
The book is intended for high-school students preparing for the entrance
examinations to universities and colleges. It can also be used independent-
ly by a student.
The theoretical parts of the book have been significantly revised for the
new edition. The formulation and solution of problems have been re-
fined. Detailed arithmetic sections have been eliminated in view of the
higher standards in high schools.
The terminology and the system of units employed in the book have been
updated for the revised edition.
The editorial staff is deeply indebted to Prof. I. V. Savelyev, Head of the
General Physics Department at the Moscow Institute of Physical
Engineering for his invaluable assistance in the preparation of the revised
manuscript of the book.
From the Preface
to the Second Russian Edition
The book is intended for those preparing for university entrance examina-
tions in physics. The contents and sequence of topics are in keeping with
the requirements for such examinations. The few sections beyond the en-
trance examination programme are marked by circles. In view of the in-
troduction of the elements of higher mathematics to the high-school cur-
riculum, some problems have also been illustrated using differential
calculus. The author has endeavoured to present the basic principles of
school physics in a compact form to help the candidates revise the entire
course in the shortest possible time. All sections have been illustrated with
problems to give a better understanding of the subject. Each problem and
its solution is followed by one or more exercises on the same topic, the ex-
ercises corresponding to problems that have been solved in the text are
assigned the same number.
Those intending to use this book independently are advised to attempt the
exercises after going through the theoretical part. The relevant solved
problems should be consulted if difficulties are encountered while solving
the exercises. After this, the exercise should be tried again, and if there is
more than one exercise bearing the same number, another exercise
(preferably the last one) should be tackled. In most cases, the last exer-
cises in a series are the most difficult.
Even if the exercises do not pose any difficulty, it is advisable to look
at the relevant solved problem to ensure that the approach to the problem
is correct and rational.
The author