1b 2c 3d 4b 5a 6d 7b 8b

9a) 2.45 hbar b) -2hbar, -hbar, 0, hbar, 2hbar c) same as (b) d) 97.25 nm

10 a) Use masses from Appendix 8 to find:  mass of 12N atom > mass of 12C atom + 2m_e
b)  3.17X10⁷ c) 73 ms

11) B# 1=1+0, L# (all generations) 0=0+0, ang mom 1/2 = 1/2 +0 (vectors),  charge -1=0-1, energy m_S > m_n+m_p: all these conservation laws hold

12 a) 32(cyr)² b) spacelike c) yes d) no

13 (chaos not covered this year) a) No, no b) period-n repeats after n oscillations, chaotic does not repeat

14c 15a 16a 17b 18c

19) 26.7 MHz

20) 607 m/s

21 a) 0.867 nm  b) Y(x,t) = sqrt(2/L)sin(2px/L)e^-iEt/hbar w/ L=0.867 nm and E=2eV