A 20-Kg Block Sliding on a Frictionless Horizontal Surface Is Attached

question 57

Multiple Choice

A 2.0-kg block sliding on a frictionless horizontal surface is attached to one end of a horizontal spring (k = 600 N/m) which has its other end fixed. The speed of the block when the spring is extended 20 cm is equal to 3.0 m/s. What is the maximum speed of this block as it oscillates?

• A) 4.6 m/s
• B) 5.3 m/s
• C) 5.7 m/s
• D) 4.9 m/s
• E) 3.5 m/s

Distinguish between obsessions and compulsions and their effects on health.

Recognize the prevalence and impact of major depression among women.

Identify symptoms of manic episodes and understand bipolar disorder.

Understand the concept of paradoxical (REM) sleep and its characteristics.

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Definitions:

Dual Federalism

A political arrangement in which power is divided between the federal and state governments in clearly defined terms, with state governments exercising those powers accorded to them without interference from the federal government.

Block Grants

Financial resources provided by the federal government to state and local governments, with relatively few restrictions on how they can be spent, often for broad purposes like community development or social services.

New Deal

A series of programs, public work projects, financial reforms, and regulations enacted by President Franklin D. Roosevelt in the United States during the 1930s to help recover from the Great Depression.