Задача id12743
An inclined plane has an angle of inclination a, which can be changed. A heavy plate, sliding along it, passes at a1 = 45° and a2 = 60° in the same travel time with the same horizontal projections. Starting from what angle of inclination a3 will the plate not slip?
Detailed solution. Format gif
Оплата и выдача товара осуществляются через партнёрскую платформу.