A Body of Mass 5 $\pi$ /6)
Where the Units Are SI

question 69

Multiple Choice

A body of mass 5.0 kg moves in simple harmonic motion according to the equation
X = 0.040 sin(30t + $\pi$ /6)
Where the units are SI. The period of this motion is

• A) 1/30 s
• B) \(\pi\)/15 s
• C) \(\pi\)/6 s
• D) 15/\(\pi\) s
• E) 30 s

---

Definitions:

Medially Located

Situated or positioned in the middle towards the midline of a body or structure.

Lateral Corticospinal Tract

A major pathway in the central nervous system involved in the control of voluntary motor movements, particularly those involving the limbs.

Anterior Corticospinal Tract

A descending spinal tract that originates in the cerebral cortex and carries motor signals to the spinal cord, involved in the direct control of movements especially of the limbs.

Tectospinal Tract

A neural pathway in the central nervous system that mediates reflex postural movements in response to visual stimuli.