When the boat moves on the surface of the water the resistance force of the environment F is directl...: ответ на тест 1046096 - Математика

When the boat moves on the surface of the water the resistance force of the environment F is directly proportional to the speed v (, where  - coefficient of proportionality). At the moment of the engine shutdown the outboard motorboat is moving at a speed of 224 m/min., and 3 min. later it’s speed is equal to 112 m/min. 9 min. after the engine shutdown the outboard motorboat will be moving at a speed of ______ m/min.