Question

Теплоход плывущий против течении реки со скорость 0.7 проплыл 28 км.Какой путь проплывет этот теплоход по течению реки за 2.2 часа со скоростью течения реки 2.8 км час СРОЧНО НАДО

Answer 1

28/0,7=40 км/ч скорость катера против течения
40+2,8=42,8 км/ч собственная скорость катера
42,8+2,8=45,6 км/ч скорость катера по течению
45,6*2,2=100,32 км пройдет катер по течению за 2,2 часа

Answer 2

Calculation of Distance Traveled

To calculate the distance the boat will travel with the current, we can use the formula:

Distance = Speed × Time

First, let's calculate the distance the boat traveled against the current:

Speed of the boat against the current = 0.7 km/h

Time taken = 2.2 hours

Using the formula, the distance traveled against the current is:

Distance = 0.7 km/h × 2.2 hours = 1.54 km

Now, let's calculate the distance the boat will travel with the current:

Speed of the current = 2.8 km/h

The boat's speed with the current can be calculated as the sum of the boat's speed and the speed of the current:

Speed of the boat with the current = Speed of the boat against the current + Speed of the current

Speed of the boat with the current = 0.7 km/h + 2.8 km/h = 3.5 km/h

Using the formula, the distance the boat will travel with the current is:

Distance = 3.5 km/h × 2.2 hours = 7.7 km

Therefore, the boat will travel a distance of 7.7 kilometers with the current in 2.2 hours.