An Object of Mass M Moving at Speed V Strikes

question 72

Multiple Choice

An object of mass m moving at speed v strikes and object of mass 2m which had been at rest. The first object bounces backward along its initial path at speed v. 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 1/2 mv².
• D) The kinetic energy increases by mv².

---

Definitions:

Internationally Educated Nurses

Nurses who have been educated in other countries and apply to have their credentials assessed.

Practice Gaps

Discrepancies between health care practices as they are and as they should be according to evidence-based standards, indicating areas for improvement.

Bridging Programs

Educational or training programs designed to help individuals bridge gaps in their knowledge or skills, often targeting specific professions or academic fields.

Colleges and University

Institutions of higher education offering undergraduate and postgraduate degrees.