Задача id13281
A platform of length L rolls without friction at speed v0 (figure). At time t = 0, it arrives at the sand loading point, which is poured out at a speed m [kg/s]. How much sand will be on the platform when it passes the loading point? The mass of the platform is M0.
Answer. Format gif
Оплата и выдача товара осуществляются через партнёрскую платформу.