The Displacement of a Body Moving with Simple Harmonic Motion $\pi$

question 77

Multiple Choice

The displacement of a body moving with simple harmonic motion is given by the equation y = A sin2 $\pi$ t + $\pi$ ) . After one-quarter of a period has elapsed since t = 0, which of the following statements is correct?

• A) The total energy of the system is equal to zero.
• B) The kinetic energy is a maximum.
• C) The potential energy is a maximum.
• D) The potential and kinetic energy are equal to each other.
• E) Both kinetic and potential energies are at their maximum values.

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Definitions:

Rehearsal

Repetition.

Seriation

The cognitive ability to arrange objects in order according to size, shape, or any other characteristic.

Decentration

The ability to focus on multiple attributes of an object or situation rather than being locked onto a single aspect.

Mainstreaming

The practice of integrating children with disabilities or special needs into regular educational settings.