Two Objects Interact with Each Other and with No Other

question 9

Multiple Choice

Two objects interact with each other and with no other objects.Initially object A has a speed of 5 m/s and object B has a speed of 10 m/s.In the course of their motion they return to their initial positions.Then A has a speed of 4 m/s and B has a speed of 7 m/s.We can conclude:

• A)the potential energy changed from the beginning to the end of the trip
• B)mechanical energy was increased by nonconservative forces
• C)mechanical energy was decreased by nonconservative forces
• D)mechanical energy was increased by conservative forces
• E)mechanical energy was decreased by conservative forces

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Definitions:

Grid Technique

A decision-making tool used to evaluate and prioritize options by placing them on a grid of two or more criteria.

Highest Cost Facility Location

The highest cost facility location typically refers to the site among options for a new facility that involves the greatest expense due to factors like labor, materials, taxes, and shipping.

Channel of Distribution

The path or route that goods and services take from the producer to the end user, encompassing intermediaries such as wholesalers and retailers.