A 3-Kg Block, Attached to a Spring, Executes Simple Harmonic

question 49

Multiple Choice

A 3-kg block, attached to a spring, executes simple harmonic motion according to x = 2cos(50t) where x is in meters and t is in seconds.The spring constant of the spring is:

• A)1 N/m
• B)100 N/m
• C)150 N/m
• D)7500 N/m
• E)none of these

---

Definitions:

Production Possibilities Frontier

A curve depicting all maximum output possibilities for two goods, given a set of inputs, representing the trade-off between different choices in the allocation of resources.

Recession

A significant decline in economic activity across the economy, lasting more than a few months, typically visible in real GDP, real income, employment, industrial production, and wholesale-retail sales.

Depression

A prolonged and severe downturn in economic activity, characterized by high unemployment, falling prices, and reduced levels of trade and investment.

Production Possibilities Frontier

A graph illustrating the maximum possible output combinations for two products that a country can produce given its technological capabilities and quantity of inputs.