In winter, outside, an empty bottle is closed with a cork and brought into a warm room. After a while, the plug takes off. Why?

when the plug flew out, part of the internal energy of the air was converted into the kinetic energy of the plug.
Indoors, the air temperature in the bottle rises, which means that the air pressure on the cork also increases.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.