# Reconstruction of the corridor

Calculate how many minutes will be reduced to travel a 167 km long railway corridor, where the maximum speed increases from 120 km/h to 160 km/h.

Calculate how many minutes will shorten travel time if we consider that the train must stop at 6 stations. Each station with the equally slow 0.9 m/s

What is the average speed before and after reconstruction if the train stays for 2 minutes in every station?

Consider that the intermediate stops are so long that the train will always reach the speed limit.

Calculate how many minutes will shorten travel time if we consider that the train must stop at 6 stations. Each station with the equally slow 0.9 m/s

^{2}and from station accelerates 0.35 m/s^{2}?What is the average speed before and after reconstruction if the train stays for 2 minutes in every station?

Consider that the intermediate stops are so long that the train will always reach the speed limit.

### Correct answer:

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#### You need to know the following knowledge to solve this word math problem:

**algebra**- equation
**arithmetic**- exponentiation
**planimetrics**- area of a shape
**basic functions**- logarithm
- reason
**numbers**- fractions

#### Units of physical quantities:

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