Mathematics, 18.10.2020 14:01 rainbowboy6055
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The reflector of a flashlight is in the shape of a parabolic surface. The reflections of all rays from the light bulb to any point on the parabolic surface will all be parallel to each other. The casting has a diameter of 16 centimeters and a depth of 8 centimeters Find the focus to determine how far the light bulb should be placed from the vertex. (1 point)
The light bulb should be placed HOW MANY CENTIMETRES FROM THE VERTEX?
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The reflector of a flashlight is in the shape of a parabolic surface. The reflections...
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