A Sphere of Radius R₁ Collides with a Sphere of Radius

question 88

Multiple Choice

A sphere of radius r₁ collides with a sphere of radius r₂.The cross section for a contact collision is

• A)\(\pi\)r
• B)2\(\pi\)r₂
• C)½\(\pi\)(r₁ + r₂)²
• D)\(\pi\)(r₁ + r₂)²

---

Definitions:

Act Morally

To behave in ways that are considered right or ethical according to societal or personal standards.

Costs

The expenses, losses, or other negative outcomes that are incurred as a result of actions or decisions.

Respond In Kind

Acting towards someone in the same manner as they have acted towards you, often in the context of reciprocating actions or gestures.

Strategy

A strategy intended to accomplish a long-term or overarching goal.