Задача id9024
A rod of length l1 is made of a material with a coefficient of linear expansion α1, and a rod of length l2 is made of a material with a coefficient of linear expansion α2. The rods were soldered to form a rod of length l1 + l2. What is its linear expansion coefficient?
Detailed solution. Format png
Оплата и выдача товара осуществляются через партнёрскую платформу.