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Author Question: You measure the velocity of an electron to an accuracy of 22.6 m/s. What is the minimum ... (Read 35 times)

rmenurse

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on: Jul 29, 2018
You measure the velocity of an electron to an accuracy of 22.6 m/s.
 
  What is the minimum uncertainty in its position? (h = 6.626  10-34 J  s, melectron = 9.11  10-31 kg)
  A) 5.12 m B) 8.05 m C) 4.03 m D) 16.1 m E) 32.2 m

Question 2

If a nuclear fission reactor produces an average power of 1.0 GW over the course of a year, what mass of 235U is used up for a 365-day year if 200 MeV are released per fission reaction?
 
  (1 eV = 1.60  10-19 J, mneutron  mproton = 1.67  10-27 kg)
  A) 0.35 kg
  B) 1.75 kg
  C) 390 kg
  D) 1.1  108 kg
  E) 3.3  108 kg
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Chocorrol77

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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rmenurse

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

scikid

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Reply 3 on: Yesterday
Gracias!

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