A Square Hole,30 Cm on Each Edge,is Cut in the Center

question 21

Multiple Choice

A square hole,30 cm on each edge,is cut in the center of a square aluminum plate 1 m on a side.The coefficient of linear expansion of aluminum is 2.4 $\times$ 10^-5/Cº.If the plate is heated 25 ºC above the starting temperature,the area of the hole

• A)increases by 1.1 cm².
• B)increases by 0.54 cm².
• C)increases by 0.00060 cm².
• D)decreases by 0.54 cm².
• E)decreases by 0.00060 cm².

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Definitions:

Synaptic Connections

The points at which nerve cells (neurons) connect and communicate with each other, playing a critical role in transmitting information throughout the nervous system.

Myelination

The process of forming a myelin sheath around a nerve fiber, enhancing the speed and efficiency of signal transmission.

Neurons

One of two types of cells in the nervous system; neurons are the nerve cells that handle the information-processing function.

Accommodation

An individual’s adjustment of their schemas to new information.