A Piano Wire Has a Radius of 0 $2.0 \times 10 ^ { 11 }$

question 2

Multiple Choice

A piano wire has a radius of 0.50 mm . One end is fixed and the other is wrapped around a tuning peg, which has a diameter of 3.5 mm and is 80 cm away. After the wire just becomes taut, the peg is given three full turns. What is the tension in the wire? Young's modulus for steel is $2.0 \times 10 ^ { 11 }$ $\mathrm { N } / \mathrm { m } ^ { 2 }$

• A) 4.3 kN
• B) 8.7 kN
• C) 3.8 kN
• D) 9.8 kN
• E) 6.5 kN

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Definitions:

DISC Acronym

DISC stands for Dominance, Influence, Steadiness, and Conscientiousness, which are the four personality traits it assesses.

Dominance

Refers to the influence or control one party has over another, often seen in market positions or hierarchical relationships.

Assertiveness

The quality of being self-assured and confident without being aggressive, in the context of communicating one's rights, desires, or opinions.

Myers-Briggs Type Indicator

A psychological assessment tool that categorizes individuals into 16 personality types based on preferences in how they perceive the world and make decisions.