Two Identical Spheres Each Carry a Charge of -40

question 68

Multiple Choice

Two identical spheres each carry a charge of -40.0 µC. The spheres are separated by a distance of 2.00 m. What is the electric force between the spheres? (k_e = 8.99*10⁹ N·m²/C²)

• A) 43.2 N (attractive)
• B) 14.4 N (repulsive)
• C) 3.60 N (repulsive)
• D) 7.19 N (attractive)

---

Definitions:

Robbers Cave

A landmark social psychology experiment by Muzafer Sherif that illustrated how intergroup conflict can arise from competition for resources and how it can be overcome by working towards shared goals.

Superordinate Goals

Shared objectives that transcend individual or group interests, requiring cooperative efforts to achieve.

Hostility

Feelings of anger, aggression, and resentment that may result from frustration or perceived threats, often leading to confrontational behavior.

Factions

Subgroups within a larger group that have distinct interests or viewpoints, often causing division or conflict.