A Block Attached to a Spring Undergoes Simple Harmonic Motion

question 62

Multiple Choice

A block attached to a spring undergoes simple harmonic motion on a horizontal frictionless surface.Its total energy is 50 J.When the displacement is half the amplitude, the kinetic energy is:

• A)0 J
• B)12.5 J
• C)25 J
• D)37.5 J
• E)50 J

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Definitions:

Lesser Antilles

A chain of smaller islands stretching from the Virgin Islands to Trinidad and Tobago, separating the Caribbean Sea from the Atlantic Ocean.

Subduction Zone

A region where one tectonic plate plunges beneath another into the earth's mantle, often generating earthquakes and volcanic activity.

Central Atlantic Ocean

The portion of the Atlantic Ocean located between North and South America to the west and Europe and Africa to the east.

Rifted Apart

Refers to areas where the Earth's crust has been stretched and broken, leading to the formation of rift valleys or the splitting of continents.