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ddrain6285
16.04.2020 •
Mathematics
A headlight is being constructed in the shape of a paraboloid with depth 4 inches and diameter 5 inches. Determine the distance that the bulb should be from the vertex in order to have the beam of light shine straight.
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Ответ:
d = 0.39 inch
Step-by-step explanation:
Given data:
Diameter (x) = 5inch
Depth (y) = 4 inch
Distance (d) = ?
Using the parabola formula to find the distance d, we have
x² = 4dy
where x = 5/2 = 2.5 and y = 4
Substituting, we have
2.5² = 4 * d* 4
6.25 = 16d
d = 6.25/16
d = 0.39 inch
Ответ:
Step-by-step explanation:
q=24 m
cause its congurent