Community Tip - Did you get an answer that solved your problem? Please mark it as an Accepted Solution so others with the same problem can find the answer easily. X
Hello.
I have this unit problem.. Plz help.
You haven't defined superscript n.
Alan
PS It's usually best to upload your worksheet, not just an image.
The units in your first equation don't balance, neither if we assume n=2, nor for any other value of n.
The left hand side is of dimension "length", the right hand side pressure^n * length^(n/2)
Fatigue crack growth using Paris' parameter can be a bit of a challenge. See if the attached can give you a place to start from.