35. The mass of α particle is 6.601✖10-27 kg. If the α particle falls through the 100 kV potential difference, then the velocity of the α particle is: (e =1.602✖10-19 C)
(A)
(B)
(C)
(D)
(E) 
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統計: A(35), B(1), C(1), D(0), E(0) #2020479
統計: A(35), B(1), C(1), D(0), E(0) #2020479