A Hollow Steel Ball of Diameter 3

question 67

Multiple Choice

A hollow steel ball of diameter 3.0 m just barely floats in water.What is the wall thickness of the ball? (ρ_Fe = 7.87 g/cm³,ρ_water = 1.00 g/cm³)

• A)6.6 cm
• B)37 cm
• C)131 cm
• D)79 cm

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Definitions:

Phoneme

The smallest unit of sound that makes a meaningful difference between utterances in a given language.

Linguistic Competence

Underlying knowledge that allows a cognitive processor to engage in a particular cognitive activity involving language independent of behavior expressing that knowledge. Contrast with linguistic performance.

Underlying Knowledge

The fundamental understanding or skills that support more advanced learning or reasoning.

Syntactically Legal

A term used to describe sentences or expressions that are constructed in accordance with the rules of syntax for a specific language.