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

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Definitions:

Subsidiary

A company that is controlled by another company, known as the parent company, through majority share ownership.

Diversification

A risk management strategy that mixes a wide variety of investments within a portfolio to minimize the impact of any single asset's performance.

Variability

The degree to which data points in a data set differ from each other and from the mean, indicating the volatility or dispersion around the average value.

Earnings

The net income that a company generates, often reported quarterly or annually, reflecting the company's financial performance.