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golden formulas

math review ARRT

QuestionAnswer
mAs Miliampere x Seconds=mAs (mA)x(s)= mAs
15% Rule 15% increase kVp= 2 x mAs
Inverse Square Law I1/I2= (d2)^2/(d1)^2
GCF Grid Conversion Factors no grid-- 1 5:1--2 8:1--3-4 12:1-- 5 16:1--6
Magnification Factor MF= SID/SOD
Velocity Velocity = speed of light = 3.0 x 10^8 meters/sec
Created by: mhaynes377
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