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Vækstmodeller - KennethHansen.net

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= , b) T2 = 0, 2130 c) T1/ 2 = 6, 5788<br />

d) T2 = 6, 1163 e) T2 = 693, 4937 f) T1 2 = 346, 2269<br />

7.1 a) T 2 2 6419<br />

x<br />

7.2 f ( x)<br />

= 3, 9572⋅ 0, 7408 7.3 g( x)<br />

= 0, 3217⋅18779 ,<br />

7.4 2 7.5 2<br />

8.1 ELK<br />

8.2<br />

x x<br />

b) 58, 2877 ⋅ 1, 0561 , x er antal år efter 1970<br />

c) 216,0 øre d) 12,70 år<br />

8.3 a) exp b) 207<br />

8.4 b) 109 mmHg c) 5000 m<br />

8.5 6,6 mm<br />

8.6 b) 9,3 mm c) 2026 d) 19,63%<br />

8.7<br />

x<br />

a) 162 ⋅ 10211 , , x antal år efter 1980 c) 2037 d) 33 år<br />

239<br />

0 1 240<br />

240<br />

III:<br />

241 0 241<br />

94 Pu→ − 1e+<br />

95Am<br />

IV:<br />

241<br />

95<br />

9.2<br />

24 24 0<br />

a) 11Na→<br />

12Mg+<br />

− 1e<br />

b) 9,90 MBq<br />

9.3<br />

151<br />

a) 65Tb<br />

4<br />

2 He<br />

147<br />

63Eu<br />

9.4 4 9 4<br />

2 0 1 12<br />

Be+ He→ n+ 6C<br />

9.5<br />

14<br />

a) 7 0 1 14 1<br />

N+ n→ 6C+<br />

1H<br />

14<br />

b) 6<br />

14<br />

7<br />

0<br />

1<br />

9.1 I: 94 Pu+ n→ 94Pu<br />

II: 94 Pu+ n→ 94 Pu<br />

51<br />

0 1<br />

4<br />

2<br />

241<br />

237<br />

93<br />

Am→ He+ Np<br />

→ + b) 19,2 s c) 64 s<br />

C→ N+ − e β − d) 1650 år<br />

9.6 a) 34,3% b) 50,4 h c) 11,7 h<br />

9.7 a) 1,22 g 2017 b) 1,96 g c) 21 år<br />

10.1 HEJ<br />

10.2 a) g,m b) i,j,m c) c,k,m,n<br />

10.3<br />

0, 3965<br />

f ( x) = 51662 , ⋅ x<br />

2<br />

10.4 a) f ( x) = 2⋅<br />

x b) 98 og 1,28 c) x=1<br />

10.5 b) a = 1, 2544 og b = 4, 2864 c) 138,6% d) 73,8%<br />

10.6 a) 10,5 b) 2,03 c) 2,36<br />

10.7 a) nej b) nej c) ja d) 13300<br />

10.8 b) potentiel smg. ml. M og V c) 547 L/h d) 0,0039 L/h<br />

/<br />

x

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