Задача id12649
The fire extinguisher emits m = 0.2 kg of foam every second at a speed v = 20 m/sec. Weight of a full fire extinguisher P=20 n. What force must a person develop to hold the fire extinguisher motionless in a vertical position at the initial moment of its operation?
Detailed solution. Format gif
Оплата и выдача товара осуществляются через партнёрскую платформу.