Uncertainty in any component of the momentum


i) Find out the de Broglie wavelength of the basket-ball of mass 0.45 kg if it is moving at 17.0 m/s?

ii) A hydrogen atom consists of a radius of around 0.05 nm.

a) Approximate the uncertainty in any component of the momentum of an electron confined to the area of this size.
b) From your answer to (a), approximate the kinetic energy of electron.

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Physics: Uncertainty in any component of the momentum
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