A Very Light 1

question 57

Multiple Choice

A very light 1.00-m wire consists of two segments of equal length,one of steel (Young's modulus is 2.00 × 10¹¹ N/m²) and one of brass (Young's modulus is 9.0 × 10¹⁰ N/m²) .The steel segment is 1.50 mm in diameter,and the brass segment has twice this diameter.When a weight w is hung from the ceiling by this wire,the steel segment stretches by 1.10 mm.Find the weight w.

• A)190 N
• B)390 N
• C)780 N
• D)1000 N
• E)3100 N

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Definitions:

Low Cost

Offering or acquiring goods, services, or resources at a minimal expense, often emphasizing efficiency and economic savings.

Differentiation

The process of distinguishing a product, service, or entity from others to make it more attractive to a particular target market or demographic.

Rawlsian Justice

A theory of justice that emphasizes fairness and equality, positing that a just society will protect the least advantaged members.

Human Dignity

A fundamental concept that involves the inherent worth and respect that every individual deserves, irrespective of status, abilities, or accomplishments.