An Air-Track Cart Is Attached to a Spring and Completes

question 55

Multiple Choice

An air-track cart is attached to a spring and completes one oscillation every 5.67 s in simple harmonic motion.At time t = 0.00 s the cart is released at the position x = +0.250 m.What is the position of the cart when t = 29.6 s?

• A)x = 0.0461 m
• B)x = 0.210 m
• C)x = 0.218 m
• D)x = 0.342 m
• E)x = -0.218 m

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Definitions:

Aggregate Demand

The total amount of goods and services that all consumers, companies, and the government are willing to buy at a given price level in an economy.

Recessions

A period of temporary economic decline during which trade and industrial activity are reduced, generally identified by a fall in GDP in two successive quarters.

Automatic Stabilizers

Economic policies and programs designed to offset fluctuations in a nation's economic activity without the need for intervention by policymakers.

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The amount of money spent on goods, services, or other expenses within a certain period.