If You Drop a Stone into a Hole Drilled All

question 73

Multiple Choice

If you drop a stone into a hole drilled all the way to the other side of the Earth (neglect the molten core) , the stone will

• A) speed up until it reaches the other side of the Earth.
• B) come to an abrupt stop at the center of the Earth.
• C) speed up until it gets to the center of the Earth.
• D) slow down until it reaches the center.

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Definitions:

Brain Function

Encompasses the activities and processes that the brain performs to support physical coordination, intellectual capabilities, and emotional and psychological well-being.

Glucose

A basic form of sugar that serves as a crucial source of energy for living beings and is found in numerous carbohydrate structures.

Electroencephalograph

An instrument used to record the electrical activity of the brain, typically via electrodes placed on the scalp.

Brain-Wave Activity

The patterns of neuronal electrical oscillations in the brain, detectable with techniques such as EEG, and associated with different states of consciousness.