The shutter speed, s, of a camera varies inversely as the square root of the aperture setting, f.
When f = 9, S = 40
find a formula for S in terms of f.
need tha answer asap
pls type it normally
Answers
Answered by
2
Answer:
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Answered by
0
Answer:
I got:
S
(
f
)
=
8000
f
2
Explanation:
We can try using:
S
(
f
)
=
A
f
2
where
A
is a constant that we need to find.
We use the fact that when
f
=
8
then
S
=
125
in the above formula:
125
=
A
8
2
rearranging:
A
=
125
⋅
8
2
=
8000
So our function is:
S
(
f
)
=
8000
f
2
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