Ch 2 - Vanderschaff

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Anonymous
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132098
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Ch 2 - Vanderschaff
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2012-01-31 20:16:59
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  1. Density =
    Mass / Volume
  2. Maginification =
    SID / SOD
  3. Velocity=
    Distance / Time
  4. Force=
    (N)= Mass x Acceleration
  5. Weight=
    Mass x Gravity
  6. Momentum=
    (P) = Mass x Velocity
  7. Work=
    (J) = Force x Distance
  8. Power=
    (W) = Work / Time
  9. KE=
    1/2mass x Velocity^2
  10. PE=
    Mass x Gravity x Height
  11. K=
    F=
    C=
    • K=C+273
    • F=9/5(C) + 32
    • C=5/9 x (F-32)
  12. Physics
    Interactions of matter and energy in all their forms
  13. 3 basic quantities?
    • Mass
    • Length
    • Time
  14. 1 Yard =
    .9144m
  15. 1 inch =
    2.54 cm
  16. Speed of light =
    c=3 x 10^8 m/s
  17. gravity formulas?
    • g= 9.8 m/s^2
    • g=32 ft/s^2
  18. 1 Lb =
    4.5 N
  19. 1 HP =
    746 W
  20. Meter is defined by...
    The distance traveled by light
  21. Unit of measurement?
    Kilogram
  22. Unit of Weight or Force?
    Newton or Pound
  23. Unit for work
    Joule (J)
  24. Unit for heat
    Calorie
  25. Unit for ionization intensity in air?
    Roentgen (R)
  26. Xray unit output expressed in?
    mR
  27. What is a kg?
    Mass of 1000cm^3 of water at 4 deg Celsius
  28. Standard unit of time
    Second
  29. How is time measured?
    By atomic clock and the vibration of cesium atoms
  30. Two parts of a unit
    • Magnitude
    • Unit
  31. What are Newton's laws of motion?
    • 1.) Inertia
    • 2.) Force
    • 3.) Action/Reaction
  32. Law of inertia?
    Body will remain at rest or will continue to move in a straight line at a constant rate unless acted on by an external force.
  33. Law of Force?
    Force of an object is equal to Mass x Acceleration
  34. Law of Conservation of Energy
    Energy can be transformed from one form to another, but cannot be created or destroyed
  35. The total amount of energy is ____?
    Constant
  36. What is heat?
    KE of the random motion of molecules
  37. What is a calorie?
    The amount of heat needed to raise the temp. of 1 gram of water by 1 deg Celsius
  38. Heat is transferred by what 3 methods?
    • Convectional
    • Conduction
    • Radiation (Thermal)
  39. What is a cryogen?
    Extremely cold liquid
  40. Liquid nitrogen boils at?
    77K
  41. Helium boils at ?
    4 K
  42. "Standard Units of Measurement" issued by who and when?
    ICRU / 1981
  43. 1 (R) is equivalent to ___ ion pairs in one __ __ of air?
    2.08 x 10^9 .... cubic centimeter
  44. C/kg^3 =
    =
    =
    Coulombs/Kilogram

    1 R

    2.58 x 10^-4
  45. RAD stands for?
    Radiation Absorbed Dose (Traditional Unit)
  46. Gy stand for?
    Gray (SI Unit)
  47. How many RADs in 1 Gray?
    100.... 100 RAD = 1 Gray
  48. Relationship between "rem" and "sV"
    100rem = 1 sV
  49. Relationship between "Ci" and "Bq"?
    • Ci = Curie (Traditional)
    • Bq = Bequerel (SI)
    • 1 Ci = 3.7 x 10^10 Bq
  50. RAD and Gray measure?
    PT Dose
  51. rem and sV measure?
    Occupational Dose
  52. Ci and Bq measure?
    Quantity of radioactive material in DPS (Disentegrations per second)...

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