A Particle Is Moving with a Certain Speed

question 92

Multiple Choice

A particle is moving with a certain speed. Its speed and energy are being measured with respect to Earth. When the particle's speed doubles, the energy increases by a factor of 4. What was the original speed of the particle?

• A) 0.447c
• B) 0.488c
• C) 0.523c
• D) 0.648c
• E) 0.800c

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Definitions:

Brain Functioning

Encompasses the activities and processes that take place in the brain, including thought, emotion, and the regulation of the body's systems.

Genetic Factors

Refers to the traits and conditions determined by an individual's genes and hereditary influence.

Mental Flexibility

The cognitive ability to switch between thinking about two different concepts, or to think about multiple concepts simultaneously.

Stress

A physical or psychological response to internal or external pressures or threats, often characterized by feelings of tension and anxiety.