The Coefficient of Linear Expansion of the Steel in a Certain

question 123

Multiple Choice

The coefficient of linear expansion of the steel in a certain bridge is 1.10 × 10^-5/C^o. If at a minimum winter temperature of -30^oC the bridge is 30.5 m long, at the summer maximum of 40^oC its length is increased about

• A) 2.54 cm.
• B) 2.54 mm.
• C) 0.254 mm.
• D) 25.4 µm.
• E) 2.54 µm.

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Definitions:

Incremental Theorists

Individuals who believe that their abilities and intelligence can grow and change through effort and experience.

Fixed

A characteristic, value, or condition that remains constant and unchanged across different situations or over time.

Stable

Referring to something that is not likely to change or move; in psychology, it may refer to consistent personality traits or conditions.

Internal Attributions

The process of attributing the cause of one's own or another's behavior to internal, personal characteristics rather than to external factors.