Energy Density: How Much Energy Is Stored in a Room

question 23

Multiple Choice

Energy density: How much energy is stored in a room 3.0 m by 4.0 m by 2.4 m due to the earth's magnetic field with a strength of 5.0 × 10^-5 T? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A) 570 mJ.
• B) 29 mJ.
• C) 10 mJ.
• D) 100 mJ.
• E) 57 mJ.

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Definitions:

Attachment

A deep and enduring emotional bond that connects one person to another across time and space.

Birth

The act or process of bearing or bringing forth offspring from the womb.

Genetic Adaptation

The process through which populations become better suited to their environment over many generations, through the natural selection of beneficial genetic variations.

Overstimulation

The state of being overwhelmed by excessive amounts or types of stimuli, leading to stress, anxiety, or other negative outcomes.