A Rod Has a Length 2

question 7

Multiple Choice

A rod has a length 2.00000 m at 10.0°C.The length of the rod increases to 2.00060 m when the temperature increases to 30.0°C.What is the coefficient of linear expansion of the material from which the rod is made?

• A) 2.0 × 10^-5/K
• B) 2.5 × 10^-5/K
• C) 1.5 × 10^-5/K
• D) 1.0 × 10^-3/K
• E) 1.0 × 10^-5/K

---

Definitions:

Attachment Phase

A critical period in early childhood development during which a young child starts forming emotional bonds with caregivers, typically leading to a sense of security.

Under Stress

The state of experiencing tension, pressure, or strain, which can affect an individual's mental and physical health.

Seek Out

The act of actively looking for or attempting to find something or someone.

Closest In Proximity

Refers to the physical or relational closeness of objects, individuals, or concepts, denoting minimal distance or the closest position relative to a point of reference.