Question

Поезд двигаясь со скоростью 72км/ч проходит мимо дерева за одну минуту 12 секунд какова длина поезда в метрах?

Answer 1

72÷12=6
длина поезда 6 м

Answer 2

Calculating the Length of the Train

To calculate the length of the train, we can use the formula: \[ \text{Length of the train} = \text{Speed of the train} \times \text{Time taken to pass the tree} \]

Given: - Speed of the train = 72 km/h - Time taken to pass the tree = 1 minute 12 seconds = 72 seconds

Using the given values, we can calculate the length of the train in meters.

Calculation

\[ \text{Speed of the train} = 72 \, \text{km/h} = 72 \times \frac{1000}{3600} \, \text{m/s} = 20 \, \text{m/s} \] \[ \text{Time taken to pass the tree} = 72 \, \text{seconds} \]

Using the formula: \[ \text{Length of the train} = 20 \, \text{m/s} \times 72 \, \text{seconds} = 1440 \, \text{m} \]

The length of the train is 1440 meters.