SPRING 2012 - MIDTERM 1 - SOLUTION
So = 1.0 / 0.6 = 1.667 f = 0.004 So = f F2 F2 = So / f = 1.667 / 0.004 = 416.75 F = 20.41
f = 0.004
So = f F2
F2 = So / f = 1.667 / 0.004 = 416.75
F = 20.41
Problem 2