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Author Question: X-rays with a wavelength of 0.00100 nm are scattered at 130 by free electrons. What is the ... (Read 50 times)

Brittanyd9008

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on: Jul 29, 2018
X-rays with a wavelength of 0.00100 nm are scattered at 130 by free electrons.
 
  What is the kinetic energy of each recoil electron? (1 eV = 1.60  10-19 J, melectron = 9.11  10-31 kg, c = 3.00  108 m/s, h = 6.626  10-34 J  s)
  A) 0.68 MeV B) 0.34 MeV C) 0.99 MeV D) 2.0 MeV E) 0.50 MeV

Question 2

If we double the resistance in a circuit but keep the current in it constant, the power dissipated by that circuit will
 
  A) be four times as great.
  B) be two times as great.
  C) be one-half as great.
  D) be one-fourth as great.
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mcinincha279

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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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Brittanyd9008

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

rachel

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Reply 3 on: Yesterday
Wow, this really help

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