Problem 39.25 Enhanced with Feedback You may want to review Part A What is the m

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Problem 39.25 Enhanced with Feedback You may want to review Part A What is the minimum nonrtainty in pnsition, in nm, of an electron whas locity is known to be betwnen 286x105 nd 308x105 m/s Exp g two significant fig 2.9 Submit My Answers Glve up Incorrect: Try Again; 7 attempts remaining: no points deducted You may have used the reduced Planck constant in the uncertainty principle. Note that in statements af the uncertainty principle the right side could have different gs just h itcould Dontain variaus factors af Ply, but have hi2. Provide Feedback

Explanation / Answer

px /2

px h/(4)

where,

p = mp = 9.11 x 10^-31*(3.06 - 2.86) x 10^5 = 1.822 x 10^-26 kg-m/s

h = 6.626 x 10^-34 J/s

x = (6.626 x 10^-34) / (4 x 1.822 x 10^-26)

x = 2.89 x 10^-9 m

x = 2.89 nm

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