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Salma Uddin
Answers (1)
λ=h/mv 2.10*10^-9=(6.63*10^-34)/(9.11*10^-31)v (1.91*10^-39)v=6.63*10^-34 v=347120.42 k=1/2mv^2 k=1/2(9.11*10^-31)(347120.42)^2 k=5.49*10^-20
