If $4 \mathrm {~J}$ Of Work Are Needed to Stretch a Spring From

question 12

Multiple Choice

If $4 \mathrm {~J}$ of work are needed to stretch a spring from $10 \mathrm {~cm}$ to $12 \mathrm {~cm}$ and another $20 \mathrm {~J}$ are needed to stretch it from $12 \mathrm {~cm}$ to $14 \mathrm {~cm}$ , what is the natural length of the spring? Round the answer to nearest integer.

• A) \(12 \mathrm {~cm}\)
• B) \(8 \mathrm {~cm}\)
• C) \(13 \mathrm {~cm}\)
• D) \(11 \mathrm {~cm}\)
• E) \(10 \mathrm {~cm}\)

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Definitions:

Descriptive/Correlational Research Methods

Research strategies for observing and describing behavior objectively and systematically without influencing or interfering with the study.

Practical and Ethical Reasons

Justifications or motives for actions that are based on practicality, effectiveness, and alignment with moral principles.

Naturalistic Observations

A research method used to systematically observe and record behavior in its natural environment without manipulation or control.

Case Studies

Detailed examinations of a single subject (individual, group, or event) to uncover patterns, identify causes, and derive insights.