You measure the location of a proton with an accuracy of 10−10m (the distance between atoms in a solid!). The mass of th

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You measure the location of a proton with an accuracy
of 10−10m (the distance between atoms in a
solid!). The mass of the proton is 1.67×10−27kg.
What is the smallest uncertainty in the particle’s velocity allowed
by quantum mechanics?
A. 3970 m/s
B. 6.63×10−34m/s
C. 390.0m/s