A Steel Ball Bearing of Mass M₁ and Speed of Magnitude

question 58

Multiple Choice

A steel ball bearing of mass m₁ and speed of magnitude v₁ has a head-on elastic collision with a steel ball bearing of mass m₂ at rest. Rank the speed v₁ of m₁ relative to v₂, the magnitude of the speed of m₂, after the collision when i) m₁ > m₂; ii) m₁ = m₂; and iii) m₁ < m₂.

• A) v₁ < v₂; v₁ < v₂; v₁ < v₂
• B) v₁ < v₂; v₁ = v₂; v₁ > v₂
• C) v₁ < v₂; v₁ > v₂; v₁ > v₂
• D) v₁ > v₂; v₁ = v₂; v₁ < v₂
• E) v₁ > v₂; v₁ > v₂; v₁ > v₂

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Definitions:

Normal Features

Characteristics or properties that are regularly found in a natural, unaltered state or condition.

Attractive

Possessing qualities that draw attention or admiration in a positive way, often used in the context of physical appearance or personality.

Similarity Principle

A principle in psychology that suggests individuals are more likely to form associations or bonds with others who are similar to themselves in various aspects.

Opposites Attract

A popular concept suggesting that individuals with contrasting characteristics or qualities are often drawn to each other.