Question

Велосепидист и мотоциклист выехали одновременно навстречу друг другу из двух городов. Велосипедист ехал со скоростью 12км/ч, а мотоциклист 40км/ч. Найди скорость сближения велосипедиста и мотоциклиста. На сколько километров велосипедист и мотоциклимт приблизятся к друг другу через 2 часа?

Answer 1

1) 12+40=52(км/ч) скорость сближения 2) 52•2=104(км) проедут за два часа (сблизятся на это расстояние).

Answer 2

Problem Analysis

We are given that a cyclist and a motorcyclist start from two different cities and travel towards each other. The cyclist has a speed of 12 km/h, and the motorcyclist has a speed of 40 km/h. We need to find the rate at which they are approaching each other and the distance they will have covered after 2 hours.

Solution

To find the rate at which the cyclist and the motorcyclist are approaching each other, we can add their speeds together. The rate of approach is the sum of their speeds because they are moving towards each other.

The rate of approach is 52 km/h. To find the distance they will have covered after 2 hours, we can multiply the rate of approach by the time.

The distance covered by both the cyclist and the motorcyclist after 2 hours is 104 km. Therefore, the rate of approach is 52 km/h, and the distance covered by both the cyclist and the motorcyclist after 2 hours is 104 km.

Answer

The rate of approach between the cyclist and the motorcyclist is 52 km/h, and they will have covered a distance of 104 km after 2 hours.