Two large airship hangars were built in Orly, France, in the early 1900 ' s but were destroyed in World War II by American aircraft. The hangars were 175 m in length, 90 m wide, and 60 m high and were formed by a series of parabolic arches. a. Set up a coordinate system with 0 , 0 at the vertex of one of the arches and write an equation of the parabola. b. What is the focal length of an arch?
Two large airship hangars were built in Orly, France, in the early 1900 ' s but were destroyed in World War II by American aircraft. The hangars were 175 m in length, 90 m wide, and 60 m high and were formed by a series of parabolic arches. a. Set up a coordinate system with 0 , 0 at the vertex of one of the arches and write an equation of the parabola. b. What is the focal length of an arch?
Solution Summary: The author calculates the equation of the parabola and sets up a coordinate system with (0,0) at the vertex of one of its arches.
Two large airship hangars were built in Orly, France, in the early
1900
'
s
but were destroyed in World War II by American aircraft. The hangars were
175
m
in length,
90
m
wide, and
60
m
high and were formed by a series of parabolic arches.
a. Set up a coordinate system with
0
,
0
at the vertex of one of the arches and write an equation of the parabola.
b. What is the focal length of an arch?
System that uses coordinates to uniquely determine the position of points. The most common coordinate system is the Cartesian system, where points are given by distance along a horizontal x-axis and vertical y-axis from the origin. A polar coordinate system locates a point by its direction relative to a reference direction and its distance from a given point. In three dimensions, it leads to cylindrical and spherical coordinates.
T
1
7. Fill in the blanks to write the calculus problem that would result in the following integral (do
not evaluate the interval). Draw a graph representing the problem.
So
π/2
2 2πxcosx dx
Find the volume of the solid obtained when the region under the curve
on the interval
is rotated about the
axis.
38,189
5. Draw a detailed graph to and set up, but do not evaluate, an integral for the volume of the
solid obtained by rotating the region bounded by the curve: y = cos²x_for_ |x|
≤
and the curve y
y =
about the line
x =
=플
2
80
F3
a
FEB
9
2
7
0
MacBook Air
3
2
stv
DG
Find f(x) and g(x) such that h(x) = (fog)(x) and g(x) = 3 - 5x.
h(x) = (3 –5x)3 – 7(3 −5x)2 + 3(3 −5x) – 1
-
-
-
f(x) = ☐
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.
Finding The Focus and Directrix of a Parabola - Conic Sections; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=KYgmOTLbuqE;License: Standard YouTube License, CC-BY