A Piece of Wood Is Floating at the Surface of Some

question 9

Multiple Choice

A piece of wood is floating at the surface of some water as illustrated. The wood has a circular cross section and a height h = 3.0 cm. The density of the wood is 0.41 g/cm³. The distance y from the surface of the water to the bottom of the wood is

• A) impossible to determine because the area of the cross section is not given.
• B) 0.81 cm
• C) 3.2 cm
• D) 1.2 cm
• E) None of these is correct.

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Definitions:

Theory Of Mind

The ability to attribute mental states—beliefs, intents, desires, emotions, knowledge—to oneself and to others and to understand that others have beliefs, desires, and intentions that are different from one's own.

Individuality

The quality or character of being individual; a distinct personality that sets one person apart from others.

Differences

Distinctions or variations between two or more entities or phenomena.

Metacognition

Self-awareness of cognitive functions, commonly defined as "reflecting on one's thoughts."