# 11th grade

posted by .

A reflecting telescope contains a mirror shaped like a paraboloid of revolution. If the mirror is 4 inches across at its opening and is 3 inches deep, where will the collected light be concentrated?

## Respond to this Question

 First Name School Subject Your Answer

## Similar Questions

1. ### Algebra II

I'm confused.. 1. The cables of a suspension bridge are in the shape of a parabola. The towers supporting the cable are 600 feet apart and 80 feet high. If the cables touch the road surface midway between the towers, what is the height …
2. ### Algebra II

I asked this question yesterday, but I wasn't clear about the response. Could someone please explain it again?
3. ### 11th Grade

I have a math problem on conics and I am not sure what to do?
4. ### Pre-Calc

A mirror is in the shape of a paraboloid. If a light source is 6 feet from the base along the axis of symmetry and the opening is 12 feet across, how deep should the mirror be?
5. ### Science

Mirror images are formed by light from the object's right side reflecting from the right side of the mirror and light from the object's left side reflecting from the left side of the mirror. True or False please help! thanks
6. ### Math story problem

A satellite dish is shaped like a paraboloid of revolution. the signals that emanate from a satellite strike the surface of the dish and are reflected to a single point, where the receiver is located. If the dish is 14ft across at …
7. ### science gr.8

classify each as plane mirror, convex, or concave and briefly explain how the mirror is used to see images. 1) full length bedroom mirror 2) make-up mirror (compact makeup mirror) 3) car rear view mirror 4) dental mirror (used to look …
8. ### Math

A kaleidoscope is a tube-shaped instrument that contains mirror and colored glass. When a viewer looks in one end, (s)he sees vibrant, changing patterns. Tami sees a kaleidoscope in the shape of triangular prism. It has a height of …
9. ### math

a searchlight is shaped like a paraboloid of revolution. if the light source is located 5 feet from the base along the axis of symmetry and the opening is 8 feet across, how deep should the searchlight be?
10. ### math

Eric is hanging a rectangle mirror that has a diagonal of 47 inches with an angle of depression of 60°. How many square inches is the mirror?

More Similar Questions