Railway

The railway line had a 5.8 km segment climb nine per mille. How many meters does the track ascent?

Final Answer:

x =  52.1979 m

Step-by-step explanation:

c=5.8 km→ m=5.8⋅ 1000  m=5800 m q=9‰=10009​=0.009  tan α = q α=arctanq=arctan0.009≐0.009 rad  x=c⋅ sinα=5800⋅ sin0.009=52.1979 m

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

planimetricsbasic operations and conceptsgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem

 
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