At what speed (m/s) must a 3.0-mg object be moving in order to have a de Broglie wavelength of 5.4 × 10-29 m?
A) 1.6 × 10-28
B) 3.9 × 10-4
C) 2.0 × 1012
D) 4.1
E) 6.3
Correct Answer:
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