The book "Volume 1. Mechanics, radiation and heat" is an indispensable guide for students of physical and mathematical specialties and all those interested in the physical laws of nature. In this book, you will find comprehensive descriptions of the main physical phenomena studied in elementary university courses. The authors have carefully laid out the material on mechanics, radiation and heat, giving the reader the opportunity to deeply understand the physical processes occurring in nature. From the classical laws of motion to modern discoveries in the field of optics and heat transfer - each chapter of the book is filled with interesting facts, examples and tasks for independent study. By reading "Volume 1. Mechanics, Radiation and Heat", you will deepen your knowledge of physics and acquire important basic skills for further study of more complex sections of physics. This book will be a reliable assistant in your training and development as a specialist.