Question

ПОМОГИТЕ СРОЧНО 4 КЛАСС!!! 3 гаража у двох протилежних напрямках виїхали на скутерах зайчик і Вовчик. Зайчик рухався зі швидкістю 38 км/ год, а вовчик — зі швидкістю 42 км/год. Через скільки годин відстань між ними становитиме 320 км?Яка швидкість віддалення? Через скільки годин відстань між ними становитиме 320 км? Задача Магазин

Answer 1

Дивися

1) 38+42=80 (км/год) - швид. віддалення

2) 320 : 80 = 4 (год)

Відповідь: 80 км/год - швид. віддалення; через 4 год - відстань між ними становитиме 320 км

Пиши скоріше!!!

Answer 2

Пошаговое объяснение:

1) 38 + 42 = 80 (км/ч) - скорость удаления Зайчика и Вовчика

2) 320 : 80 = 4 (часа) - время, через которое между Зайчиком и Вовчиком расстояние будет 320 км

Answer 3

To solve this problem, we can use the formula: distance = speed × time. Let's break down the problem step by step.

Given information:

- Zaychik's speed: 38 km/h - Vovchik's speed: 42 km/h - Distance between them: 320 km

Finding the time it takes for the distance to be covered:

Let's assume that the time taken by both Zaychik and Vovchik to cover the distance is 't' hours.

The distance covered by Zaychik in 't' hours is given by: distance = speed × time So, the distance covered by Zaychik is: 38t km

Similarly, the distance covered by Vovchik in 't' hours is: 42t km

According to the problem, the sum of the distances covered by Zaychik and Vovchik is equal to the total distance between them: 38t + 42t = 320

Simplifying the equation: 80t = 320 Dividing both sides by 80: t = 320/80 t = 4

Therefore, it takes 4 hours for the distance between Zaychik and Vovchik to be 320 km.

Finding the speed of separation:

To find the speed of separation, we need to calculate the rate at which the distance between Zaychik and Vovchik is increasing.

The rate of separation is given by the difference in their speeds: Speed of separation = Vovchik's speed - Zaychik's speed Speed of separation = 42 km/h - 38 km/h Speed of separation = 4 km/h

Therefore, the speed of separation between Zaychik and Vovchik is 4 km/h.

Summary:

- It takes 4 hours for the distance between Zaychik and Vovchik to be 320 km. - The speed of separation between them is 4 km/h.

Please let me know if you need any further assistance!