The Mechanics . Fluctuations. Waves: method. instructions for solving problems on the course "Physics" for students in . - econ. the Faculty of Authorship A. In. Berezina is not just a textbook, but a real find for students seeking a deeper understanding of the physical laws that govern the world around them. In this edition, the author masterfully combines theory and practice, offering readers not only the theoretical foundations of mechanics, vibrations and waves, but also detailed methodological instructions for solving problems, which makes the book an indispensable assistant in the educational process. The book covers a wide range of topics, ranging from the basics of mechanics to complex concepts of vibrations and waves. Each section is imbued with clear explanations and examples, which allows students not only to learn the material, but also to learn how to apply it in practice. Berezin focuses on key aspects of physics, such as Newton's laws, harmonic oscillations, sound and electromagnetic waves, creating a holistic view of the subject. The intriguing tasks and exercises proposed in the book stimulate critical thinking and develop analytical abilities, which is especially important for future engineers and economists. This book will be useful to students of technical and economic specialties, as well as to anyone who is interested in physics and wants to deepen their knowledge in this area. It will be an excellent addition to the learning process, both for those who are just starting out with physics, and for more experienced students seeking to improve their skills. Due to the available presentation language and clear structure, the book is suitable for both self-study and use within the training course. The topics raised in the book are relevant and important for understanding many processes in nature and technology. For example, knowledge of vibrations and waves is of great importance in areas such as acoustics, optics, and electronics. In addition, the author emphasizes the relationship between physical phenomena and their practical application, which makes the material especially valuable for future specialists. The book can also serve as a basis for preparing for exams and test papers, as it contains many examples and tasks of varying complexity. Style A. In. Berezina is clear and logical, which allows readers to easily assimilate even the most complex concepts. His other well-known works are also devoted to physics and engineering, and they have received positive reviews for their accessibility and practical focus. In this book, the author continues the tradition of creating high-quality educational materials that help students not only learn, but also develop interest in science. If you are looking for a high-quality physics textbook that will help you not only prepare for exams, but also give you the opportunity to understand the physical laws more deeply, then “Mechanics . Fluctuations. Waves" by A. In. Berezina will be your reliable companion in this fascinating journey. Do not miss the chance to discover the world of physics from a new angle and develop your skills in solving problems that will be useful not only in your studies, but also in your future professional activities.