Gravitational Potential Energy: You Do 174 J of Work While

question 16

Multiple Choice

Gravitational potential energy: You do 174 J of work while pulling your sister back on a swing, whose chain is 5.10 m long. You start with the swing hanging vertically and pull it until the chain makes an angle of 32.0° with the vertical with your sister is at rest. What is your sister's mass, assuming negligible friction?

• A) 22.9 kg
• B) 19.5 kg
• C) 26.3 kg
• D) 28.4 kg

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Definitions:

Specialization

Focusing on a narrow area of expertise or activity, allowing a business or individual to become a known expert in that area.

Segmentation

The process of dividing a market into distinct groups of buyers with different needs, characteristics, or behaviors who might require separate products or marketing strategies.

Law Of Experience

Suggests that with increased experience or production, companies can reduce costs and improve efficiency, often referred to as the learning curve.

Unit Costs

The expenditure a business faces for the production, storage, and selling of an individual unit of a given product or service.