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C!T ROM 3
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ct-rom iiib
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WINDOWS
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DIVERSEN
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MCAD
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DECAY.MCD
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DECAY.MCD
Wrap
Text File
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1991-06-12
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5KB
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219 lines
.MCD 30001 1 74
.CMD PLOTFORMAT
0 0 1 0 0
0 0 1 0 0
0 1 0 0 NO-TRACE-STRING
0 2 1 0 NO-TRACE-STRING
0 3 2 0 NO-TRACE-STRING
0 4 3 0 NO-TRACE-STRING
0 1 4 0 NO-TRACE-STRING
0 2 5 0 NO-TRACE-STRING
0 3 6 0 NO-TRACE-STRING
0 4 0 0 NO-TRACE-STRING
0 1 1 0 NO-TRACE-STRING
0 2 2 0 NO-TRACE-STRING
0 3 3 0 NO-TRACE-STRING
0 4 4 0 NO-TRACE-STRING
0 1 5 0 NO-TRACE-STRING
0 2 6 0 NO-TRACE-STRING
0 3 0 0 NO-TRACE-STRING
0 4 1 0 NO-TRACE-STRING
0 1 21 15
.CMD FORMAT rd=d ct=10 im=i et=3 zt=15 pr=3 mass length time charge
.CMD SET ORIGIN 0
.CMD SET TOL 0.001000000000000
.CMD SET PRNCOLWIDTH 8
.CMD SET PRNPRECISION 4
.CMD PRINT_SETUP 1.200000 0
.CMD DEFINE_FONTSTYLE_NAME fontID=0 name=Variables
.CMD DEFINE_FONTSTYLE_NAME fontID=1 name=Constants
.CMD DEFINE_FONTSTYLE_NAME fontID=2 name=Text
.CMD DEFINE_FONTSTYLE_NAME fontID=3 name=Greek^Variables
.CMD DEFINE_FONTSTYLE_NAME fontID=4 name=User^1
.CMD DEFINE_FONTSTYLE_NAME fontID=5 name=User^2
.CMD DEFINE_FONTSTYLE_NAME fontID=6 name=User^3
.CMD DEFINE_FONTSTYLE_NAME fontID=7 name=User^4
.CMD DEFINE_FONTSTYLE_NAME fontID=8 name=User^5
.CMD DEFINE_FONTSTYLE_NAME fontID=9 name=User^6
.CMD DEFINE_FONTSTYLE fontID=0 family=Tms^Rmn points=10 bold=0 italic=0 underline=0
.CMD DEFINE_FONTSTYLE fontID=1 family=Tms^Rmn points=10 bold=0 italic=0 underline=0
.CMD DEFINE_FONTSTYLE fontID=2 family=Helv points=10 bold=0 italic=0 underline=0
.CMD DEFINE_FONTSTYLE fontID=3 family=Symbol points=10 bold=0 italic=0 underline=0
.CMD DEFINE_FONTSTYLE fontID=4 family=Helv points=10 bold=0 italic=0 underline=0
.CMD DEFINE_FONTSTYLE fontID=5 family=Courier points=10 bold=0 italic=0 underline=0
.CMD DEFINE_FONTSTYLE fontID=6 family=System points=10 bold=0 italic=0 underline=0
.CMD DEFINE_FONTSTYLE fontID=7 family=Script points=10 bold=0 italic=0 underline=0
.CMD DEFINE_FONTSTYLE fontID=8 family=Terminal points=0 bold=0 italic=0 underline=0
.CMD DEFINE_FONTSTYLE fontID=9 family=Modern points=10 bold=0 italic=0 underline=0
.CMD UNITS U=1
.TXT 2 1 0 0
C a197,237,70
{\rtf1\ansi \deff0
{\fonttbl
{\f0\fnil Helv;}
{\f1\fnil Symbol;}
{\f2\fnil Courier;}
}
{\plain {}{\f0 \fs24 \b \i \ulnone }{}{\f0
\fs24 \b \i \ulnone RADIOACTIVE DECAY}{}}
}
.TXT 4 9 0 0
C a432,434,167
{\rtf1\ansi \deff0
{\fonttbl
{\f0\fnil Helv;}
{\f1\fnil Symbol;}
{\f2\fnil Courier;}
}
{\plain {}{This document shows the results
of radioactive decay. Element A decays
with a half-life of thalfA into element
B. Element B decays with a half-life of
thalfB.}{}}
}
.EQN 9 0 0 0
gm~1M
.EQN 0 20 0 0
yr~1T
.TXT 5 -29 0 0
C a152,154,26
{\rtf1\ansi \deff0
{\fonttbl
{\f0\fnil Helv;}
{\f1\fnil Symbol;}
{\f2\fnil Courier;}
}
{\plain {}{Initial conditions:}{}}
}
.TXT 4 9 0 0
C a224,226,35
{\rtf1\ansi \deff0
{\fonttbl
{\f0\fnil Helv;}
{\f1\fnil Symbol;}
{\f2\fnil Courier;}
}
{\plain {}{Initial amount of element A:}{}}
}
.EQN 0 34 0 0
A0:100*gm
.TXT 4 -34 0 0
C a88,90,18
{\rtf1\ansi \deff0
{\fonttbl
{\f0\fnil Helv;}
{\f1\fnil Symbol;}
{\f2\fnil Courier;}
}
{\plain {}{Half-lives:}{}}
}
.EQN 1 14 0 0
thalfA:10*yr
.EQN 0 19 0 0
thalfB:100*yr
.TXT 4 -33 0 0
C a240,242,49
{\rtf1\ansi \deff0
{\fonttbl
{\f0\fnil Helv;}
{\f1\fnil Symbol;}
{\f2\fnil Courier;}
}
{\plain {}{Ratio: mass of 1 atom of A to
1 atom of B:}{}}
}
.EQN 0 34 0 0
{3}a:1.1
.TXT 5 -43 0 0
C a192,194,31
{\rtf1\ansi \deff0
{\fonttbl
{\f0\fnil Helv;}
{\f1\fnil Symbol;}
{\f2\fnil Courier;}
}
{\plain {}{Compute decay constants:}{}}
}
.EQN 4 10 0 0
kA:(ln(2))/(thalfA)
.EQN 0 20 0 0
kB:(ln(2))/(thalfB)
.TXT 6 -30 0 0
C a128,130,23
{\rtf1\ansi \deff0
{\fonttbl
{\f0\fnil Helv;}
{\f1\fnil Symbol;}
{\f2\fnil Courier;}
}
{\plain {}{Decay functions:}{}}
}
.EQN 4 10 0 0
A(t):A0*(e)^(-(kA*t))
.EQN 6 0 0 0
B(t):-{3}a*A0*(e)^(-(kB*t))*((e)^(-(kA*t))-1)
.TXT 6 -10 0 0
C a288,290,43
{\rtf1\ansi \deff0
{\fonttbl
{\f0\fnil Helv;}
{\f1\fnil Symbol;}
{\f2\fnil Courier;}
}
{\plain {}{Graph the mass of A and B over
time:}{}}
}
.EQN 4 10 0 0
t:0*yr,2*yr;200*yr
.EQN 0 35 0 0
t2:0*yr,10*yr;200*yr
.EQN 4 -45 0 0
A0&0*gm&A(t),B(t)@200*yr&0*yr&t
0 0 0 1 0
0 0 0 1 0
0 1 0 5 NO-TRACE-STRING
0 2 1 0 NO-TRACE-STRING
0 3 2 0 NO-TRACE-STRING
0 4 3 0 NO-TRACE-STRING
0 1 4 0 NO-TRACE-STRING
0 2 5 0 NO-TRACE-STRING
0 3 6 0 NO-TRACE-STRING
0 4 0 0 NO-TRACE-STRING
0 1 1 0 NO-TRACE-STRING
0 2 2 0 NO-TRACE-STRING
0 3 3 0 NO-TRACE-STRING
0 4 4 0 NO-TRACE-STRING
0 1 5 0 NO-TRACE-STRING
0 2 6 0 NO-TRACE-STRING
0 3 0 0 NO-TRACE-STRING
0 4 1 0 NO-TRACE-STRING
0 1 30 30
.EQN 0 46 0 0
(t2)/(yr)=
.EQN 0 10 0 0
(A(t2))/(gm){19137}=
.EQN 0 10 0 0
(B(t2))/(gm){18993}=
.TXT 24 -28 0 0
C a9,10,8
{\rtf1\ansi \deff0
{\fonttbl
{\f0\fnil Helv;}
{\f1\fnil Symbol;}
{\f2\fnil Courier;}
}
{\plain {}{B}{}}
}
.TXT 8 0 0 0
C a9,9,8
{\rtf1\ansi \deff0
{\fonttbl
{\f0\fnil Helv;}
{\f1\fnil Symbol;}
{\f2\fnil Courier;}
}
{\plain {}{A}{}}
}