Concept explainers
a.
To find: the vertical rise of the inclined plane.
a.
Answer to Problem 77E
Explanation of Solution
Given information: The J inclined plane in P is one of the longest and steepest hoists in
world. The railway cars travel a distance of 896.5 feet at an angle of approximately
Formula used:
Calculation:
b.
To find: the elevation of the lower end of the inclined plane.
b.
Answer to Problem 77E
Elevation of the lower end is 1174.2 ft.
Explanation of Solution
Given information: The J inclined plane in P is one of the longest and steepest hoists in
world. The railway cars travel a distance of 896.5 feet at an angle of approximately
Calculation:
Elevation of the Upper End is 1693.5 ft.
From part (a)
Therefore the elevation of the lower end is 1693.5-519.3=1174.2 ft.
c.
To find: the rate at which they rise vertically when the cars move up the mountain at a rate of 300 feet per minute.
c.
Answer to Problem 77E
Explanation of Solution
Given information: The J inclined plane in P is one of the longest and steepest hoists in
world. The railway cars travel a distance of 896.5 feet at an angle of approximately
Calculation:Formula used:
Calculation:
Chapter 4 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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