Question

Катер плив озером 0,3 год зі швидкістю 16,3 км/год і за течіею річки 3 год. знайдіть шлях катера якщо швидкість течії = 2,3 км/год

Answer 1

16,3 км/час*0,3 час=4,89 км (плыл по озеру) (S=Vt)
16,3 км/час+2,3 км/час=18,6 км/час (скорость по течению)
18,6 км/час*3 час=55,8 км (плыл по реке)
4,89 км+55,8 км=60,69 км (весь путь)
Ответ: весь путь катера 60,69 км

Answer 2

Problem Analysis

To find the distance traveled by the boat, we need to consider two components: the distance traveled on the lake and the distance traveled with the current of the river. We can calculate each component separately and then add them together to get the total distance traveled by the boat.

Distance Traveled on the Lake

The boat travels on the lake for 0.3 hours at a speed of 16.3 km/h. To find the distance traveled on the lake, we can use the formula:

Distance = Speed × Time

Substituting the given values, we have:

Distance on the lake = 16.3 km/h × 0.3 hours

Distance Traveled with the River Current

The boat travels with the river current for 3 hours at a speed of 2.3 km/h. To find the distance traveled with the river current, we can again use the formula:

Distance = Speed × Time

Substituting the given values, we have:

Distance with the river current = 2.3 km/h × 3 hours

Total Distance Traveled

To find the total distance traveled by the boat, we add the distance traveled on the lake to the distance traveled with the river current:

Total distance = Distance on the lake + Distance with the river current

Substituting the calculated values, we have:

Total distance = (16.3 km/h × 0.3 hours) + (2.3 km/h × 3 hours)

Now, let's calculate the values.

Calculation

- Distance on the lake: 16.3 km/h × 0.3 hours = 4.89 km - Distance with the river current: 2.3 km/h × 3 hours = 6.9 km - Total distance: 4.89 km + 6.9 km = 11.79 km

Therefore, the boat traveled a total distance of 11.79 km.

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