3. The shutter speed ,S, of a camera varies inversely as the square of the aperture setting,f,. When f=8, S=125..
a) Find a formula for S in terms of f.
b) Hence, or otherwise, calculate the value of S when f=4.
I need help now please........ thanks
Maths

ANSWERS

2017-08-21 14:38:12

a) S = 2410 b) S = 2410÷4= 602.5 I hope you know

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