An Electron with a Rest Mass of 0

question 66

Multiple Choice

An electron with a rest mass of 0.511 MeV travels at speed v = 0.500c.What is its kinetic energy?

• A)590 keV
• B)80 keV
• C)510 keV
• D)430 keV
• E)220 keV

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Definitions:

Tepid Water

Water that is lukewarm or moderately warm, often used for gentle cleaning or to soothe injuries.

Hyperthermia

A condition in which the body's temperature is elevated beyond normal due to failed thermoregulation, often a result of external factors such as environmental heat.

Sponge Baths

A method of bathing that involves using a sponge or cloth to clean the body, often used for individuals who cannot take baths or showers.

Cyst

A closed pocket or pouch of tissue that can be filled with air, fluid, pus, or other material, occurring anywhere in the body.