The diving pool at the London Olympics has to be a minimum depth of 4.5 meters, but the preferred depth is 5 meters (16 feet 4 inches).8 people found this useful.he diving pool at the London Olympics has to be a minimum depth of 4.5 meters, but the preferred depth is 5 meters (16 feet 4 inches). 8 people found this useful.
Positive feedback mechanism. A process whereby an initial change in an atmospheric process will tend to either reinforce the process (positive feedback) or weaken the process (negative feedback). See Feedback mechanism.
Change\Resources\feedback mechanisms.doc. 1. POSITIVE AND NEGATIVE FEEDBACK MECHANISMS. Feedback mechanisms either change a system to a new state or return it to its original. state. â¢ NEGATIVE FEEDBACK MECHANISMS - push a system back to its original. equilibrium position. E.g.