Irodov – Problems in General Physics

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6.234. v= V2mc,T adm = 3.4-10 5 m/s; 0.020.
6.235. 1.6 MJ.
6.236. 0.82 MeV.
6.237. (a) 6.1 cm; (b) 2.1.10 5 and 0.77.10^5 respectively.
(Mp-M*2 for 13- decay and K-capture,
6.238. Q=
(Mp M d 2M) C^2 for 13+ decay.
6.239. 0.56 MeV and 47.5 eV.
6.240. 5 MJ.
6.241. 0.32 and 0.65 MeV.
6.242. T (Q 2mc 2 )IMNc 2 = 0.11 keV, where Q
(MN - Mc - 2m) c^2 , m is the mass of an electron.
6.243. 40 km/s.
6.244. 0.45 c, where c is the velocity of light.
6.245. A8/8 = E/2mc^2 = 3.6-10-7, where m is the mass of the
nucleus.
6.246. v z 8/mc = 0.22 km/s, where m is the mass of the nuc-
leus.
6.247. v = ghlc = 65 Innis.
6.248. hymn = hc 2 I get = 4.6 m.
6.249. 7' = Ta/[1 (M - m)^2 /4mM cost 0] = 6.0 MeV, where
m and M are the masses of an alpha particle and a lithium nucleus.
6.250. (a) ri = 4mM/(m M)^2 = 0.89; (b) 11 = 2m/(m M) =
2/3. Here m and M are the masses of a neutron and a deuteron.
6.251. °max = arcsin (m 1 /m 2 ) = 30°, where m 1 and m^2 are the
masses of a proton and a deuteron.
6.252. 2.10 11 kg/cm 3 , 1.10 38 nucl./cm 3.
6.253. (a) d; (b) F"; (c) a; (d) C1^37.
6.255. Be, Eb = 56.5 MeV.
6.256. (a) 8.0 MeV; (b) 11.5 and 8.7 MeV; (c) 14.5 MeV.
6.257. En - Ep = 0.22 MeV.
6.258. E = 20eNe - 2.48„ - 128G = 11.9 MeV, where 8 is
the binding energy per nucleon in the corresponding nucleus.
6.259. (a) 8.0225 a.m.u.; (b) 10.0135 a.m.u.


6.260. Q = (E (^3) E 4) - (E1 E
6.261. (a) 8.2.10 10 kJ, 2.7.10 6 kg; (b) 1.5 kg.
6.262. 5.74.10 7 kJ, 2.10^4 kg.
6.263. 2.79 MeV; 0.85 MeV.
6.264. Q = 88 a - 7CLI = 17.3 MeV.
6.265. Q = (1 + T p - (1- Ti c,) Ta - 2 Vilpric, T p Ta X
X cos 0 = -1.2 MeV, where rip = m/mo, 1 1« = ma/mo.
6.266. (a) -1.65 MeV; (b) 6.82 MeV; (c) -2.79 MeV;
(d) 3.11 MeV.
6.267. vc, = 0.92.10^7 m/s, vu = 0.53.10^7 m/s.
6.268. 1.9 MeV.
Q±(1-MaIntc)T
6.269. T =
i +mnimc
=8.5 MeV.
6.270. 9.1 MeV, 170.5°.

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