An 800-Kg Mass Is Hung from a 1 $\times$ 10¹¹ N/m²

question 38

Multiple Choice

An 800-kg mass is hung from a 1.5-m copper wire with a cross-sectional area of 0.35 cm².Young's modulus for copper is 1.1 $\times$ 10¹¹ N/m².How much does the wire stretch?

• A)2.56 mm
• B)2.97 mm
• C)3.14 mm
• D)3.86 mm
• E)4.13 mm

---

Definitions:

Hydraulic Theory

A theory suggesting that the development and maintenance of a civilization is closely linked to its ability to create and manage large-scale water control systems.

River Valleys

Geographical areas formed by the land surrounding a river, often characterized by fertile soil and significant for early human civilizations.

Hydraulic Theory

A theory that suggests the control and management of water resources played a crucial role in the development of early civilizations.

Occupation Site

A location where evidence of past human activity is found, indicating the presence of work, living, or ceremonial spaces.