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Rad106

QuestionAnswer
Matter anything that occupies space
Energy ability to do work.  Kinetic energy  Chemical energy  Electrical energy  Thermal energy  Nuclear energy  Electromagnetic energy  Radiation is the transfer of energy.  Ionizing radiation
Natural Environmental Radiation Cosmic rays  Terrestrial radiation  Internally deposited radionuclides  Radon
Human-Made Radiation Diagnostic x-rays
Development of Medical Imaging Radiography  Fluoroscopy  Computed tomography (CT)  To provide an x-ray beam that is satisfactory for imaging, you must supply the x-ray tube with a high voltage and an electric current.  Radiology emerged as a medical specialty
The first x-ray fatality in the United States occurred in 1904
mega M
kilo k
centi c
milli m
micro μ
Standard Units of Measurement Base quantities  Derived quantities  Special quantities  Length: 1 meter (m)  Mass: kilogram (kg)  Time: seconds (s)  Units: SI System
Velocity The rate of change of something’s position with time
Acceleration The rate of change of velocity with time
Newton's Laws of Motion Inertia  Force  Action/reaction
Weight Force on a body caused by the pull of gravity on it
Momentum The product of the mass of an object and its velocity
Work The product of force and distance
Power The quotient of work by time
Energy Energy is the ability to do work.  Kinetic energy  Potential energy
Heat Heat is the kinetic energy of the random motion of molecules.  Heat is transferred from one location to another by conduction, convection, and radiation.
Created by: robertye12
 

 



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