SPRING 2008 - MIDTERM 1 - SOLUTION
So = 1.0 / 0.6 = 1.667 f = 0.004 So = f F2 F2 = So / f = 1.667 / 0.004 = 416.67 F = 20.4
f = 0.004
So = f F2
F2 = So / f = 1.667 / 0.004 = 416.67
F = 20.4
Problem 2