A Child Is Trying to Stack Two Uniform Wooden Blocks,12

question 49

Multiple Choice

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?

• A)5 cm
• B)6 cm
• C)7 cm
• D)8 cm
• E)9 cm

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Definitions:

Soft Palate

The flexible, muscular part at the back of the roof of the mouth, separating the mouth from the nasopharynx during swallowing and speech.

Nasal Cavity

The large air space behind the nose, involved in breathing and housing the olfactory neurons.

Chemoreceptors

Sensory cells or organs specialized in detecting changes in chemical concentrations, often used in taste, smell, and regulation of breathing.

Ventilation

The process of moving air in and out of the lungs to facilitate gas exchange with the internal environment, primarily involving oxygen and carbon dioxide.