Two Point Charges Each Experience A $1 - \mathrm { N }$

question 79

Multiple Choice

Two point charges each experience a $1 - \mathrm { N }$ electrostatic force when they are $2 \mathrm {~cm}$ apart. If they are moved to a new separation of $8 \mathrm {~cm}$ , what is the magnitude of the electric force on each of them?

• A) \(1 / 16 \mathrm {~N}\)
• B) \(1 / 8 \mathrm {~N}\)
• C) \(2 \mathrm {~N}\)
• D) \(1 / 2 \mathrm {~N}\)
• E) \(1 / 4 \mathrm {~N}\)

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Definitions:

Crust Thicken

The process by which the Earth's crust becomes thicker as a result of tectonic forces, volcanic activities, or sediment deposition.

Accretionary Prism

A triangular accumulation of sediment and rock peeled from the surface of a subducting tectonic plate and attached to the overlying plate at a convergent boundary between plates.

Subduction Zone

A region where one tectonic plate moves under another, often leading to volcanic activity and earthquakes.

Metamorphosed Rocks

Rocks that have undergone a change in mineral composition and texture due to extreme heat and pressure conditions.