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Author Question: A proton that is initially at rest is accelerated through an electric potential difference of ... (Read 106 times)

ENagel

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on: Jul 29, 2018
A proton that is initially at rest is accelerated through an electric potential difference of magnitude 500 V. What speed does the proton gain? (e = 1.60  10-19 C , mproton = 1.67  10-27 kg)
 
  A) 2.2  105 m/s B) 1.1  105 m/s C) 9.6  105 m/s D) 3.1  105 m/s

Question 2

If the wavelength of a light beam is doubled, what happens to the momentum of the photons in that light beam?
 
  A) It is reduced by one-fourth of its original value.
  B) It is increased to four times its original value.
  C) It is doubled.
  D) It is halved.
  E) It stays the same.
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eliasc0401

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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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ENagel

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Reply 2 on: Jul 29, 2018
Gracias!

marict

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Reply 3 on: Yesterday
Wow, this really help

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