What is the de Broglie wavelength of a fast neutron (1.6749 $\times$ 10^-27 kg)traveling at 14,000 km/s?

Name: What is the de Broglie wavelength of a fast neutron (1.6749 $\times$ 10 -27 kg)traveling at 14,000 km/s?
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The de Broglie wavelength is calculated using the formula λ = h/p, where h is Planck's constant and p is the momentum (mass times velocity). For a neutron with the given mass and velocity, the wavelength is approximately 28 femtometers (fm).

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