A Mass Attached to a Spring Has Simple Harmonic Motion

question 88

Multiple Choice

A mass attached to a spring has simple harmonic motion with an amplitude of 4.0 cm.When the mass is 2.0 cm from the equilibrium position,what fraction of its total energy is potential energy?

• A)one-quarter
• B)one-third
• C)one-half
• D)two-thirds
• E)three-quarters

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Definitions:

Junction

A point where two or more circuit elements meet.

Currents

The flow of electric charge across a conductor or through an electrolyte, measured in amperes (A), essential in electrical and electronic circuits.

Superposition Theorem

The current in any branch of a circuit supplied by a multipower source can be determined by finding the current produced in a particular branch by each of the individual power sources acting alone.