Question

При движении против течения реки расстояние 126 км моторная лодка проходит за 7 часов Какова скорость лодки в стоячей воде если плод тоже расстояние проходит за 64 часа

Answer 1

Сначала нужно вычислить скорость течения реки: 126/63=2 км\ч. 
затем определить скорость лодки против течения: 126/7=18 км\ч. 
значит скорость лодки в стоячей воде: 18+2=20км\ч.

Answer 2

Calculation of Boat Speed

To calculate the speed of the boat in still water, we can use the formula:

Speed = Distance / Time

Let's calculate the speed of the boat in still water for both scenarios.

1. When moving against the current: - Distance = 126 km - Time = 7 hours

Using the formula, we can calculate the speed of the boat in still water when moving against the current:

Speed = 126 km / 7 hours = 18 km/h.

2. When moving with the current: - Distance = 126 km - Time = 64 hours

Using the formula, we can calculate the speed of the boat in still water when moving with the current:

Speed = 126 km / 64 hours = 1.97 km/h.

Therefore, the speed of the boat in still water is 18 km/h when moving against the current and 1.97 km/h when moving with the current.