Question

из города А вышла колонна автомашин со скоростью 50км/ч.Одновременно навстречу колонне из города В выехал автобус со скоростью 60км/ч.Через сколько времени колонна автомашин встретится с автобусом,если расстояние между городами 330 км?

Answer 1

Сначала находим V cближения: 50+60=110.

Далее, мы S (расстояние) делим на V (скорость) и находим ответ: 330:110=3(ч.) - t (время)

Answer 2

1.) 50+60=110(км/ч)-скорость сближния

2.)330:110=3(ч)

Answer 3

Problem Analysis

We are given that a column of cars is moving from city A to city B at a speed of 50 km/h, while a bus is moving from city B to city A at a speed of 60 km/h. We need to determine how much time it will take for the column of cars to meet the bus, given that the distance between the cities is 330 km.

Solution

To solve this problem, we can use the formula: time = distance / speed. We can calculate the time it takes for the column of cars to meet the bus by dividing the distance between the cities by the combined speed of the cars and the bus.

Let's calculate the time it takes for the column of cars to meet the bus:

Distance between cities (d) = 330 km Speed of the column of cars (s1) = 50 km/h Speed of the bus (s2) = 60 km/h

The combined speed of the column of cars and the bus is the sum of their individual speeds:

Combined speed (s) = s1 + s2

Now we can calculate the time it takes for the column of cars to meet the bus:

Time (t) = d / s

Substituting the given values:

Time (t) = 330 km / (50 km/h + 60 km/h)

Let's calculate the time using the given values:

Time (t) = 330 km / 110 km/h

Calculation

To calculate the time it takes for the column of cars to meet the bus, we divide the distance between the cities by the combined speed of the cars and the bus:

Time (t) = 330 km / 110 km/h Time (t) = 3 hours

Answer

The column of cars will meet the bus after approximately 3 hours.