Entertaining Physics. Book 2

The second book "Entertaining Physics" is an independent compilation that is not a direct continuation of the first. The book is called the "second" because only what is written later. The success of the first collection prompted the author to treat the rest of the material accumulated from him, and thus made up this second or rather, another book, covering the same sections of physics. To revitalize interest in physical calculations, it introduced computing material, and the collection, in general, is designed for a more prepared reader, although the difference in this respect between both books is so insignificant that they can be read in any sequence and independently one of the other.
"Entertaining physics" will help to understand and love physics, succeed in learning this subject. This collection is not called upon to replace official benefits, but he will tell you about physical phenomena completely differently, simple and understandable to each language.
The purpose of the book is to initiate the activities of scientific imagination, to teach to think in the spirit of physics and develop the habit of the versatile use of their knowledge. Perhaps it is from her and the love of physics begins ...
Text and drawings are restored according to the book Ya. I. Perelman"s "Entertaining Physics", published in P. P. Sawkin (St. Petersburg) in 1913