Question

2 поезда вышли одновременно навстречу друг другу из 2-х городов, расстояние между которыми 520 км. 1 поезд шел со скоростью 56км/ч и прошел до встречи 224 км. Какова скорость 2 поезда?

Answer 1

1) 520 - 224 = 296 км прошел второй поезд
2) 224 : 56 = 4 часа до встречи
3) 296 : 4 = 74 км/ч скорость второго поезда

Answer 2

Problem Analysis

We have two trains traveling towards each other from two different cities. The distance between the cities is 520 km. We know that one train traveled 224 km before the meeting point and its speed is 56 km/h. We need to find the speed of the second train.

Solution

To find the speed of the second train, we can use the formula:

Speed = Distance / Time

Let's calculate the time it took for the first train to travel 224 km:

Time = Distance / Speed = 224 km / 56 km/h = 4 hours

Since the two trains started at the same time and met after 4 hours, we can calculate the remaining distance that the second train traveled:

Remaining Distance = Total Distance - Distance Traveled by the First Train = 520 km - 224 km = 296 km

Now, we can calculate the speed of the second train:

Speed of the Second Train = Remaining Distance / Time = 296 km / 4 hours = 74 km/h

Therefore, the speed of the second train is 74 km/h.

Answer

The speed of the second train is 74 km/h.