The cyclist and the pedestrian move in opposite directions. The speed of the cyclist is 15 km / h, and the speed
| January 17, 2021 | education
The cyclist and the pedestrian move in opposite directions. The speed of the cyclist is 15 km / h, and the speed of the pedestrian is 5 km / h. How many kilometers will there be between it in 1 hour? 3h?
1) First, we need to find the speed of removal of the cyclist and pedestrian. To do this, add up their initial speeds:
5 + 15 = 20 (km / h) – the speed with which they will move away from each other.
2) In an hour, there will be 1 * 20 = 20 km between them.
3) In three hours, there will be 3 * 20 = 60 km between them.
Answer: in an hour there will be 20 km between them, in 3 hours – 60 km.
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