A Square Plate Has an Area of 29 $\degree$ C It Will Be Used in a Low Temperature Experiment

question 24

Multiple Choice

A square plate has an area of 29.00 cm² at 20.0 $\degree$ C. It will be used in a low temperature experiment at T = 10.0K where it must have an area of 28.00 cm². What area must be removed from the plate at 20.0 $\degree$ C for it to have the correct area at 10.0 K? (The coefficient of linear expansion is 10* 10-6 ( $\degree$ C) -1.)

• A)0.079 3 cm²
• B)0.159 cm²
• C)0.238 cm²
• D)0.841 cm²
• E)0.921 cm²

Recognize the syntax and usage of pointers with structures, including accessing structure members through pointers.

Understand the distinction between structures and unions, including their declaration and use.

Differentiate between records, unions, tuples, and arrays within the context of structures.

Recognize correct and incorrect syntax in the declaration and initialization of structures.

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