You Do 116 J of Work While Pulling Your Sister

question 137

Multiple Choice

You do 116 J of work while pulling your sister back on a fritctionless swing, whose chain is 5.10 m long, until the swing makes an angle of 32.0° with the vertical. What is your sister's mass?

• A) 15.3 kg
• B) 13.0 kg
• C) 19.0 kg
• D) 17.6 kg

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Definitions:

Union Member

An individual who belongs to an organized group representing workers in negotiations with employers over wages, benefits, and working conditions.

Hired

The process of being employed by an organization or individual after the successful completion of an application or interview process.

Authorization Card

A document signed by employees to indicate their support for union representation, often used in the process of forming a union.

Voluntarily Recognize

A situation where an employer acknowledges a union or organization representing its workers without being compelled to do so by law.