Two Wires,A and B,have the Same Initial Length,but the Radius

question 15

Multiple Choice

Two wires,A and B,have the same initial length,but the radius of A is four times that of B,and the Young's modulus of A is a third that of B.If the same weight is attached to both wires,what is the ratio of the extension of A divided by the extension of B?

• A)0.19
• B)48
• C)5.3
• D)1.3
• E)0.75

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Definitions:

Points

In various contexts, it can represent units of measurement, positions on a graph, or specific values or rewards in games and programs.

Leverage

In statistics, the influence a single data point has on the overall outcome of a regression analysis.

Linear Model

A statistical approach for modeling the relationship between a scalar response and one or more explanatory variables using straight-line equations.

Labeled Points

Points in a space marked with identifiers or symbols to denote specific positions or values.