A Simple Pendulum on Earth Has a Period T

question 99

Multiple Choice

A simple pendulum on Earth has a period T.The period of this pendulum could be decreased by

• A)increasing the mass of the pendulum bob.
• B)taking the pendulum to the moon.
• C)taking the pendulum to the planet Jupiter (M_Jupiter = 315M_Earth).
• D)decreasing the mass of the pendulum bob.
• E)increasing the length of the wire supporting the pendulum.

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Definitions:

Reticular Formation

A network of neurons located in the brainstem that is involved in regulating wakefulness and sleep cycles.

EEG Recording

A technique that records the electrical activity of the brain using electrodes placed on the scalp.

Alpha Rhythm

A pattern of regular pulses, between 8 and 12 per second, visible in the EEG of a person who is relaxed but awake and typically has her eyes closed.

Beta Rhythm

The rhythmic pattern in the brain’s electrical activity often observed when a person is actively thinking about some specific topic.