How fast should a 58.1g tennis ball travel to have a de Broglie wavelength that is equal to that of a photon of green light (5.40 X 10^3 angstroms)?
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Wavelength = h/mv
Convert 5.40E3 A to meters (5.40E3 Angstroms = 5.40E3 x 10^8 cm)and substitute for wavelength. m is in kg and v in m/s 👍
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answered by DrBob222
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