Лаг1989 задача №6.40
The density of the body at rest ρ₀. Find the speed of the reference system relative to the body, in which its density will be 25% more than ρ₀.
Thank you for your purchase. If you have any questions, please contact us by e-mail (see. "Seller Information"
Оплата и выдача товара осуществляются через партнёрскую платформу.