An Object of Mass M Moving at Speed V₀ Strikes

question 48

Multiple Choice

An object of mass m moving at speed v₀ strikes an object of mass 2m which had been at rest.The first object bounces backward along its initial path at speed v₀.Is this collision elastic,and if not,what is the change in kinetic energy of the system?

• A)The collision is elastic.
• B)The kinetic energy decreases by mv².
• C)The kinetic energy decreases by mv²/2.
• D)The kinetic energy increases by mv².

---

Definitions:

Expectancy Theory

A motivational theory suggesting that individuals are motivated to act in certain ways based on the expected outcomes and the attractiveness of those outcomes.

Work Motivation

The set of psychological forces that influence an individual's behavior in a work setting, including their energy, direction, and persistence.

Work Outcomes

The results or outputs of an employee's work performance, including productivity, efficiency, and quality of work.

Expectancy Theory

A theory of motivation proposing that people's actions are driven by the anticipated results of those actions.