A Mass of 0

question 16

Multiple Choice

A mass of 0.40 kg,hanging from a spring with a spring constant of 160 N/m,is set into an up-and-down simple harmonic motion.What is the speed of the mass when moving through the equilibrium point? The starting displacement from equilibrium is 0.10 m.

• A) zero
• B) 1.4 m/s
• C) 2.0 m/s
• D) 3.4 m/s

---

Definitions:

Real GDP

Gross Domestic Product adjusted for inflation, providing a more accurate depiction of an economy's size and how it's growing over time.

Aggregate Demand

The total demand for all goods and services in an economy at a given overall price level and in a given time period.

Keynesians

Economists who follow the theories of John Maynard Keynes, emphasizing the need for government intervention to manage economic cycles.

Supply-Siders

Economics theorists who believe that reducing tax rates and deregulation can stimulate economic growth by increasing supply.