SOLUTION: A SEARCHLIGHT HAS A PARABOLIC REFLECTOR (HAS A CROSS SECTION THAT FORMS A BOWL) THE PARABOLIC BOWL IS 16 INCHES WIDE FROM RIM TO RIM AND 12 INCHES DEEP. THE FILAMENT OF THE LIGHT B
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Question 1120458: A SEARCHLIGHT HAS A PARABOLIC REFLECTOR (HAS A CROSS SECTION THAT FORMS A BOWL) THE PARABOLIC BOWL IS 16 INCHES WIDE FROM RIM TO RIM AND 12 INCHES DEEP. THE FILAMENT OF THE LIGHT BULB IS LOCATED AT THE FOCUS. WHAT IS THE EQUATION OF THE PARABOLA USED FOR THE REFLECTOR? HOW FAR FROM THE VERTEX IS THE FILAMENT OF THE LIGHT BULB? Answer by Alan3354(69443) (Show Source):
