Eindexamen natuurkunde 1 vwo 2007-I
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Radioactieve schilderijen
19. 0,025 eV = 0,025 @ 1,6 @ 10
– 19= 4,0 @ 10
– 21J
E = ½mv
2= ½ @ 1,675 @ 10
– 27@ v
2= 4,0 @ 10
– 21J
! v = 2,2 @ 10
3m/s
75 1 76 76 0 76
20. As + n ! As As ! $ + Se
33 0 33 33 –1 34