Question

С противоположных концов котка на встречу друг другу выехали Митя и Витя .Скорость Мити была 9м/с ,а Вити -- 6м/с. Через сколька секунд они встретятся ,если в начале движения между ними было 90м?

Answer 1

1) 9 + 6 = 15 м/с скорость сближения
2) 90 : 15 = 6 секунд произойдет встреча

Answer 2

9+6=15 м/с скорость сближения
90:15=6 сек время до встречи

Answer 3

Problem Analysis

We have two individuals, Mitya and Vitya, who start at opposite ends of a 90-meter distance and move towards each other. Mitya's speed is 9 m/s, and Vitya's speed is 6 m/s. We need to determine how long it will take for them to meet.

Solution

To solve this problem, we can use the formula: time = distance / relative speed.

The relative speed is the combined speed at which Mitya and Vitya are moving towards each other. Since they are moving in opposite directions, we can add their individual speeds to get the relative speed.

Let's calculate the relative speed and then use it to find the time it takes for them to meet.

Calculation

The relative speed is the sum of Mitya's speed and Vitya's speed: 9 m/s + 6 m/s = 15 m/s.

Now, we can use the formula time = distance / relative speed to find the time it takes for them to meet.

Substituting the given distance of 90 meters and the relative speed of 15 m/s into the formula, we get:

time = 90 m / 15 m/s = 6 seconds.

Therefore, Mitya and Vitya will meet after 6 seconds.

Answer

Mitya and Vitya will meet after 6 seconds.

Source:

[[https://huggingface.co/ai-forever/ruBert-base/reso...](https://huggingface.co/ai-forever/ruBert-base/reso...)