1) A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 180 feet and a maximum height of 30 feet. Find the height of the arch at 20 feet from its center. 2) A searchlight...
1) A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 180 feet and a maximum height of 30 feet. Find the height of the arch at 20 feet from its center.
2) A searchlight is shaped like a paraboloid of revolution. If the light source is located 3 feet from the base along the axis of symmetry and the opening is 8 feet across, how deep should the searchlight be?
Homework Answers
Add Answer to:
1) A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 180 feet and a maximum height of 30 feet. Find the height of the arch at 20 feet from its center. 2) A searchlight...
Please answer all of the questions. An arch is in the shape of a parabola. It...
Please answer all of the
questions.
An arch is in the shape of a parabola. It has a span of 198 meters and a maximum height of 33 meters. Find the equation of the parabola Preview Determine the height of the arch 74 meters from the center. Select an answer A satellite dish is shapcd like a paraboloid of revolution. This mcans that it can be formed by rotating a parabola around its axis of symmetry. The receiver is to...
1. The reflector of a flashlight is in the shape of a parabloid of revolution. its diameter is 8 ...
1.
The reflector of a flashlight is in the shape of a parabloid of
revolution. its diameter is 8 inches and its depth is 4 inches. how
far from the vertex should the light bulb be placed so that the
rays will be reflectes parallel to the axis?
place the light bulb ? inch(es) from the vertex
2.The Cables of a suspension bridge are in the shape of a
parabola, as shown in pic below. the towers supporting the cable...
An arch is in the shape of a parabola. It has a span of 78 feet...
An arch is in the shape of a parabola. It has a span of 78 feet and a maximum height of 13 feet. Find the equation of the parabola (assuming the origin is halfway between the arch's feet). Determine the height of the arch 19 feet from the center Select an answer Question Help: D Post to forum Submit Question (a) (y - 22 vertex : 20 - 2) focus : directrix: (b) - 4y = 20 - 22 vertex...
Please answer all of the
questions.
An arch is in the shape of a parabola. It has a span of 198 meters and a maximum height of 33 meters. Find the equation of the parabola Preview Determine the height of the arch 74 meters from the center. Select an answer A satellite dish is shapcd like a paraboloid of revolution. This mcans that it can be formed by rotating a parabola around its axis of symmetry. The receiver is to...
1.
The reflector of a flashlight is in the shape of a parabloid of
revolution. its diameter is 8 inches and its depth is 4 inches. how
far from the vertex should the light bulb be placed so that the
rays will be reflectes parallel to the axis?
place the light bulb ? inch(es) from the vertex
2.The Cables of a suspension bridge are in the shape of a
parabola, as shown in pic below. the towers supporting the cable...
An arch is in the shape of a parabola. It has a span of 78 feet and a maximum height of 13 feet. Find the equation of the parabola (assuming the origin is halfway between the arch's feet). Determine the height of the arch 19 feet from the center Select an answer Question Help: D Post to forum Submit Question (a) (y - 22 vertex : 20 - 2) focus : directrix: (b) - 4y = 20 - 22 vertex...
Most questions answered within 3 hours.
-
51.
As the marginal propensity to expend rises, the multiplier:
decreases.
is impossible to determine.
increases....
asked 49 seconds ago -
The Baldwin Company currently has the following balances on their
balance sheet:
Total
Liabilities
$69,309
Common...
asked 3 minutes ago -
A quiet town in Kansas has 10 people, all of whom have the same
preferences. There...
asked 9 minutes ago -
Summarize what an organization needs from a leader.
a. Analyze what might happen to an organization...
asked 12 minutes ago -
How would one critically evaluate an organizations marketing
strategies from the viewpoint of its consumers, as...
asked 10 minutes ago -
Given a standardized normal distribution (with μ = 0 and a σ =
1), what is...
asked 11 minutes ago -
Company XYZ know that replacement times for the quartz time
pieces it produces are normally distributed...
asked 26 minutes ago -
A) Write the acid-base reaction that occurs between Na2HPO4 and
NaOH
B) Write the possible reactions...
asked 39 minutes ago -
What advantages does the Natural Law Theory have in comparison
with the Divine Command Theory? Explain...
asked 45 minutes ago -
A diver comes off a board with arms straight up and legs
straight down, giving her...
asked 44 minutes ago -
Answer the following questions
In your own words, define each of these terms
- Branding, Packaging,...
asked 42 minutes ago -
Briefly discuss developments in the crude oil market and your
outlook, using the microeconomic concepts discussed...
asked 43 minutes ago