lbedonte
lbedonte
25.11.2021 • 
Mathematics

The reflector of a flashlight is in the shape of a parabolic of revolution. Its diameter is 8 centimeters and it’s depth is 4 centimeters. How far from the vertex should the light bulb be placed so that the rays will be reflected parallel to the axis?

Solved
Show answers

Ask an AI advisor a question