A Spool of Thread Has an Average Radius of 1

question 48

Multiple Choice

A spool of thread has an average radius of 1.00 cm.If the spool contains 47.5 m of thread,how many turns of thread are on the spool? "Average radius" allows us to not need to treat the layering of threads on lower layers.

• A)15.1
• B)756
• C)149
• D)7.56

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Definitions:

Framework

A basic structure underlying a system, concept, or text.

Objective Measurement

The process of quantifying variables via methods that minimize bias and subjectivity, ensuring that results are not influenced by personal feelings or opinions.

Basic Research

Pure science that aims to increase the scientific knowledge base.

Applied Research

Research aimed at finding a solution for a real-world problem rather than acquiring knowledge for knowledge's sake.