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A molecule of roughly spherical shape has a mass of 6.10 x 10-25 kg and a diameter of 0.70 nm. The uncertainty in the measured position of the molecule is equal to the molecular diameter. What is the minimum uncertainty in the speed of this molecule? (h = 6.626 x 10^34 J • s)
The issue is there seems to be a similar question that is asking for just the minimum speed not the minimum uncertainty in the speed and those are clearly different because I found two answer keys with those different questions and different answers. For minimum speed it should be .2 m/s
For minimum uncertainty in speed choices are A) 78 m/s B) 7.8 m/s
C) .78 m/s <-(might be correct D) .078 m/s E) .0078 m/s
Asked on July 5, 2016 at 3:39 PM by wein7145
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