A 020-Kg Object Is Attached to a Spring with Spring Constant

question 2

Multiple Choice

A 0.20-kg object is attached to a spring with spring constant k = 10 N/m and moves with simple harmonic motion over a horizontal, frictionless surface. At the instant that it is displaced from equilibrium by -0.060 m, what is its acceleration?

• A) "360 m/s²"
• B) "-30 m/s²"
• C) "3.0 m/s²"
• D) "0.18 m/s²"

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Definitions:

Ancient Earth

Refers to the period in Earth's history that spans from the formation of the planet approximately 4.5 billion years ago until the dawn of recorded history.

Short-lived Isotopes

Radioactive isotopes that decay rapidly, often used in medical imaging and studies of geological and planetary processes.

Long-lived Isotopes

Isotopes that have a long half-life, persisting in the environment for extended periods, often used in dating or tracing studies.

Emergence of Land Plants

The period in Earth's history when plants first developed and colonized land, around 500 million years ago during the Ordovician period.