Three Charged Particles Are Positioned in the Xy Plane: a 50-NC

question 71

Multiple Choice

Three charged particles are positioned in the xy plane: a 50-nC charge at y = 6 m on the y axis, a −80-nC charge at x = −4 m on the x axis, and a 70-nc charge at y = −6 m on the y axis. What is the electric potential (relative to a zero at infinity) at the point x = 8 m on the x axis?

• A) +81 V
• B) +48 V
• C) +5.8 V
• D) −72 V
• E) −18 V

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Definitions:

Basalt

A dark, fine-grained volcanic rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet or moon.

Island Arc

A series of volcanic islands shaped in a curve situated along the junction of tectonic plates, usually created over a plate being forced downward.

Hawaiian Islands

An archipelago located in the Pacific Ocean, formed by volcanic activity from a hot spot beneath the Earth’s crust.

Aleutian Islands

a chain of islands located in the Northern Pacific Ocean, forming part of the Alaska state boundary.