Group of engineers is building a parabolic satellite dish whose shape will be formed by rotating the curve y = ax2 about the y-a

Question

3 years ago

10

Group of engineers is building a parabolic satellite dish whose shape will be formed by rotating the curve y = ax2 about the y-a

xis. if the dish is to have a 10-ft diameter and a maximum depth of 4 ft, find the value of a and the surface area s of the dish. (round the surface area to two decimal places.)

Mathematics

1 answer:

SIZIF [17.4K] · Answer 1 · 2022-07-29T06:37:09+03:00

SIZIF [17.4K]3 years ago

6 0

10' diameter and maximum depth of 4', it means that the point (5,4) is on the profile of the dish.

Fitting in the given formula,

y=ax^2 => 4=a(5^2) => a=4/25