It's my understanding that any pawn which cannot be stopped by an opponents pawn is considered passed. Therefore in your examples I would consider both of the doubled pawns to be passed and also the f2 pawn still on its original square. But it's just attaching a label to it really, you can judge with your eyes the value of such pawns.
Most Recent
Forum Legend
Following
New Comments
Locked Topic
Pinned Topic
If the c2 pawn promoted, I believe only then can the c5 pawn could be considered a passed pawn:
Also, could a pawn that hasn't left the starting rank be considered a passed pawn as well? For example the f2 pawn in the diagram below: