Question

Два самолета вылетели с аэродрома в одно и тоже время в противоположных направлениях через 10 минут после вылета расстояние между ними было 270 километров первый Самолет летел со средней скоростью 15 километров с какой средней скоростью КРАТКАЯ ЗАПИСЬ

Answer 1

270:10=27 -общая скорость
27-15=12- 2 самолет

Answer 2

Problem Analysis

We have two planes that took off from the same airport at the same time but in opposite directions. After 10 minutes, the distance between them was 270 kilometers. The first plane was flying at an average speed of 15 kilometers per hour. We need to find the average speed of the second plane.

Solution

Let's assume that the average speed of the second plane is x kilometers per hour.

After 10 minutes (which is 10/60 = 1/6 hours), the first plane has traveled a distance of 15 * (1/6) = 2.5 kilometers.

The second plane, traveling in the opposite direction, has also traveled a distance of 270 kilometers minus the distance traveled by the first plane. So, the distance traveled by the second plane is 270 - 2.5 = 267.5 kilometers.

We can set up the following equation to find the average speed of the second plane:

267.5 = x * (1/6)

To solve for x, we can multiply both sides of the equation by 6:

1605 = x

Therefore, the average speed of the second plane is 1605 kilometers per hour.

Answer

The second plane flew with an average speed of 1605 kilometers per hour.