Chapter1&2
of 2
description
modern physics
Transcript of Chapter1&2
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Chapter1
6. 0.866 c
8. 0.661 c
9. 2.29
10. (a) 8.33x108
(b)24m
11. 3.2ns
12. (a) 0.014min
(b) 0.0328min
13. (a) 7.05s
(b) 1.128x104
14. (a) 0 [1 2
220]
1
2
(b) tan0
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Chpater2
1. (a) 5.01x1021. /
(b) 2.89x1019. /
(c) 1.03x1018. /
(d)
(a)9.38MeV/c
(b)540 MeV/c
(c)1930MeV/c
2. (a) 0.85c
(b) No change
8. (a)939.4MeV
(b)3.01x103MeV
(c)2.07 x103MeV
11. (a) 2.71x1017. /
(b) 2.9995x108/
15. (a) 0.413c
(b) 0.442c
(c) The error in using the classical expression is approximately 7.5% in speed.
17. 4.9 MeV (Hint: an atomic unit of mass, the u, is one-twelfth the mass of the 12
atom or 1.66054x1027 kg )
