A child is trying to stack two uniform wooden blocks, 12 cm in length, so they will protrude as much as possible over the edge of a table, without tipping over, as shown in the figure. What is the maximum possible overhang distance d? 
Definitions:
Collagen
A protein that is the main component of connective tissues in animals, providing strength and structure, especially in skin, bones, and tendons.
Coping Style
The typical manner in which an individual reacts to stress or adversity, including behavioral strategies and thought patterns.
Quality of Life
The overall enjoyment of life and sense of well-being, measured by factors such as physical health, emotional state, level of independence, social interactions, and personal beliefs.
Adrenal Glands
Small, triangular glands located on top of each kidney that produce hormones responsible for regulating metabolism, immune system, blood pressure, and stress response.
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