The position of an electron in a Be2+ ion is known to 5.0×10-11 m. What is the uncertainty in its velocity?
A) 2.0×105 m s-1
B) 1.2×106 m s-1
C) 4.6×106 m s-1
D) 9.2×106 m s-1
E) 3.0×108 m s-1
Correct Answer:
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