A spring has a natural length of 
cm.If a force of 
N is required to keep it stretched to a length of 
cm, how much work is required to stretch it from cm to cm? 
Definitions:
Advance Directive
A legal document in which a person specifies what actions should be taken for their health if they are no longer able to make decisions because of illness or incapacity.
Active Euthanasia
The deliberate action taken with the intention of ending a life to relieve intractable suffering.
Persistent Vegetative
A medical condition characterized by a patient's loss of higher brain functions but retaining some autonomic functions and continuing to live with life support.
Deliberate Act
An action performed intentionally or with careful consideration.
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