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What is the de Broglie wavelength of a proton that has a mass of 9.11 x 10^-31kg and travels a distance of 13km in 0.025 s? (h=6.63 x 10^-34 Js)

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4 answers

  1. wavelength = h/mv
    m is in kg.
    You will need to change velocity from km/0.025s to m/s.

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  2. csaac

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  3. The answer is 1.57 x 10^2 m/s

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  4. oops jk wrong one^^^ it's actually 1.4 nm.... sorry

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