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Statement of a problem № 11213

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Particle A is at rest, and particle B collides head-on with it. The collision is completely inelastic, so the two particles stick together after the collision and move off with a common velocity. The masses of the particles are different, and no external forces act on them. The de Broglie wavelength of particle B before the collision is 2.0 × 10-34 m. What is the de Broglie wavelength of the object that moves off after the collision?




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