Question

Собственная скорость лодки равна 7 км ч, а скорость течения реки - 2, 5 км в час. Лодка проплыла по течению реки и 2 часа Найдите длину пути, пройденный лодкой

Answer 1

(7+2,5)×2 =19 км это правильно

Answer 2

Лодка плывет по течению,значит передвигается относительно земли со скоростью 7+2,5 км ч.Умножить скорость на 2 часа и получишь расстояние...Желаю удачи)

Answer 3

Calculation of the Distance Traveled by the Boat

To find the distance traveled by the boat, we need to consider the boat's own speed and the speed of the river current.

Given: - Boat's speed = 7 km/h - River current speed = 2.5 km/h - Time taken = 2 hours

To calculate the distance traveled by the boat, we can use the formula:

Distance = Speed × Time

The boat's speed relative to the ground is the difference between its own speed and the speed of the river current. So, the effective speed of the boat is:

Effective speed = Boat's speed - River current speed

Substituting the given values:

Effective speed = 7 km/h - 2.5 km/h = 4.5 km/h

Now, we can calculate the distance traveled by the boat:

Distance = Effective speed × Time

Substituting the values:

Distance = 4.5 km/h × 2 hours = 9 km

Therefore, the boat traveled a distance of 9 kilometers.