Last revised 1999/09/07 |
HRW pp. 11-13 #1, 16, 39
Sheet # I and II
1. Don't make me laugh.
16.
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(a) | 1 AU = 4.85 x 10 -6 pc = 1.58 x 10 -5 Ly |
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(b) |
1 Ly = 5.87 x 1012 mi 1 pc = 1.91 x 1013 mi |
39.
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(a) volume of an atom Vatom = 1.18 x 10 -23cm3 |
|
(b) distance between centers d = 2.82 x 10 -8 cm |
I:
|
Period T = 2 pi (L/g)1/2 |
II:
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R = K H 1- | c | v 2 | c | / g | c | |
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-1 < c < 0 |