If the Kinetic Energy of a Particle Is Equal to Its

question 63

Multiple Choice

If the kinetic energy of a particle is equal to its rest energy then its speed must be:

• A)0.25c
• B)0.50c
• C)0.87c
• D)c
• E)unknown unless its mass is given

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Definitions:

Contactor Unit

An electrically-controlled switch used for switching an electrical power circuit, commonly used in lighting and electric motor circuits.

Overcurrent

A condition where the current exceeds the rated current of equipment or the capacity of conductors, potentially causing damage or hazard.

Low Intensity

Describes a relatively weak level of power, brightness, or energy output, often used in the context of lights or signals.

Fault Current

The excessive electrical current that flows through a circuit during a fault condition.