A highway engineer specifies that a certain section of roadway covering a horizontal distance of 2km should have a downgrade of 8%. Compute the change in elevation of this section of road. Use the slope formula.
2 answers:
Answer: ∆h = 0.16km = 160m
The Change in elevation is 0.16km
Step-by-step explanation:
Given:
Change in elevation m= 8% = 0.08
Which means for every 100 units change in horizontal distance there would be 8 units change in elevation.
Horizontal distance of road x= 2km
Using the equation;
∆h = mx
Where ∆h = change in elevation
∆h = 0.08 × 2km
∆h = 0.16km = 160m
Answer:
Step-by-step explanation:
A highway engineer wants to compute the change in elevation of a section of road. The horizontal distance of this section of road is 2km and downgrade is 8%
The slope formula is given by
m = 8% = 8/100
run = y = 2km
Verification:
%
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