An Aluminum Plate Has a Length of 0

question 47

Multiple Choice

An aluminum plate has a length of 0.12 m and a width of 0.10 m at 25 °C. The plate is uniformly heated to 225 °C. If the linear expansion coefficient for aluminum is 2.3 × 10^-5/C°, what is the change in the area of the plate as a result of the increase in temperature?

• A)1.2 × 10^-4 m²
• B)6.1 × 10^-4 m²
• C)3.2 × 10^-5 m²
• D)4.9 × 10^-6 m²
• E)7.8 × 10^-6 m²

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Definitions:

Biological Need

Essential requirements that living organisms must satisfy to maintain life, such as food, water, and shelter.

Caregivers' Availability

The extent to which caregivers are accessible and present to meet the needs of those they care for, such as children or the elderly.

Cultural Norms

The shared expectations and rules that guide behavior of people within social groups.

Crying Decline

The reduction in the frequency or duration of crying as an infant matures.