The bus travels at a constant speed of 40 km / h. At what speed must the other vehicle move in order for the speed
| May 6, 2021 | education
The bus travels at a constant speed of 40 km / h. At what speed must the other vehicle move in order for the speed of change in the distance between them to be equal to 60 km / h?
Let’s consider two options. The first is when vehicles are moving in one direction, the second is when vehicles are moving in opposite directions.
Option 1.
40 + 60 = 100 km / h.
Answer: The speed of the other vehicle is 100 km / h.
Option 2.
60 – 40 = 20 km / h.
Answer: The speed of the other vehicle is 20 km / h.
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