Question

З двох міст, відстань між якими 186,8 км одночасно в одному напрямку виїхали мотоцикл та велосипедист, який їхав попереду. Мотоцикліст наздогнав велосипедиста через 4 годин. Знайди швидкість велосипедиста, якщо швидкість мотоцикла дорівнює 63,4 км/год.

Answer 1

Ответ:

Пошаговое объяснение:

64,3*4=257,2 км проїхав мото за 4 год

257,2-190,4=66,8 км проїхав вело за 4 год

66,8:4=16,7 км/год швидкість вело

Answer 2

Problem Analysis

We are given that a motorcycle and a cyclist start from two cities that are 186.8 km apart. The motorcycle catches up to the cyclist after 4 hours. We need to find the speed of the cyclist, given that the speed of the motorcycle is 63.4 km/h.

Solution

Let's assume the speed of the cyclist is v km/h. Since the motorcycle catches up to the cyclist, we can set up the following equation:

Distance traveled by the motorcycle = Distance traveled by the cyclist

The distance traveled by the motorcycle can be calculated by multiplying its speed (63.4 km/h) by the time it took to catch up to the cyclist (4 hours):

Distance traveled by the motorcycle = 63.4 km/h * 4 hours

The distance traveled by the cyclist can be calculated by multiplying the cyclist's speed (v) by the time it took for the motorcycle to catch up to the cyclist (4 hours):

Distance traveled by the cyclist = v km/h * 4 hours

Since the distances traveled by both the motorcycle and the cyclist are the same, we can set up the equation:

63.4 km/h * 4 hours = v km/h * 4 hours

Simplifying the equation, we get:

63.4 km/h = v km/h

Therefore, the speed of the cyclist is 63.4 km/h.

Answer

The speed of the cyclist is 63.4 km/h.