An Unstable Particle Is Moving at a Speed of 2

question 42

Short Answer

An unstable particle is moving at a speed of 2.6 × 10⁸ m/s relative to a laboratory. Its lifetime is measured by a stationary observer in the laboratory to be 4.7 × 10^-6 seconds. What is the lifetime of the particle, measured in the rest frame of the particle? (c = 3.00 × 10⁸ m/s)

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Definitions:

Arousal Approach

a theory in psychology that focuses on how arousal levels affect performance, suggesting an optimal level of arousal for peak performance depending on the task complexity.

William McDougall

A psychologist known for his work on instinct theory and social psychology, advocating for the inclusion of innate tendencies in explaining behavior.

Human Instincts

Innate, biologically determined behaviors that are present at birth, driving individuals towards certain actions or responses without the need for learning, such as the instinct for survival.

Extrinsic Motivation

Motivation that is driven by external rewards such as money, fame, grades, or praise rather than internal factors.