A 020-Kg Block Rests on a Frictionless Level Surface and Is

question 44

Multiple Choice

A 0.20-kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring constant of 40 N/m.The block is initially displaced 4.0 cm from the equilibrium point and then released to set up a simple harmonic motion.A frictional force of 0.3 N exists between the block and surface.What is the speed of the block when it passes through the equilibrium point after being released from the 4.0-cm displacement point?

• A)0.45 m/s
• B)0.63 m/s
• C)0.80 m/s
• D)1.2 m/s

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Definitions:

Northwest Passage

A sea route connecting the Atlantic and Pacific Oceans through the Arctic Ocean, sought by explorers for centuries as a potential trade route.

French Explorations

The overseas exploration by France, particularly during the 16th and 17th centuries, primarily focused on North America and parts of the Caribbean and South America.

New World

A term used to describe the Western Hemisphere, particularly the Americas, discovered by European explorers during the Age of Discovery, contrasting with the Old World of Europe, Asia, and Africa.

Permanent European Settlement

The establishment of enduring communities in the Americas, Australia, and other parts of the world by European explorers and colonists starting in the late 15th century.