Two Blocks Are at Rest on a Horizontal Frictionless Surface

question 31

Multiple Choice

Two blocks are at rest on a horizontal frictionless surface with a compressed spring between them.The 5.0-kg block accelerates when the string holding the system in compression is cut and the 10-kg box accelerates in the opposite direction.What is the magnitude of the force from the expanding spring on the 10-kg box when the 5.0-kg box is undergoing an acceleration of 9.0 m/s²?

• A) 22.5 N
• B) 90 N
• C) 135 N
• D) 45 N
• E) ​0 N

---

Definitions:

Anticipated Census

An estimate of the number of individuals within a defined population at a future point in time, often used in planning and resource allocation.

Workload Fluctuations

Variations in the amount of work assigned or required over a particular period, often influenced by external factors or operational demands.

Human Factor

The study of how humans interact with systems, tools, and environments, especially in the context of work and workplaces, to improve performance and reduce errors.

Standard Order Set

Predefined protocols or guidelines used in healthcare settings to standardize the care process for specific conditions or procedures.