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Author Question: A simple refracting telescope provides large magnification by employing A) a short focal length ... (Read 67 times)

fox

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on: Jul 29, 2018
A simple refracting telescope provides large magnification by employing
 
  A) a short focal length objective and a short focal length eyepiece.
  B) a short focal length objective and a long focal length eyepiece.
  C) a long focal length objective and a short focal length eyepiece.
  D) a long focal length objective and a long focal length eyepiece.

Question 2

How much mass is lost during a reaction in which 1.7  108 MeV of energy is released? (c = 3.0  108 m/s, 1 eV = 1.6  10-19 J)
 
  A) 1.8  10-8 kg
  B) 5.7  10-9 kg
  C) 1.9  10-17 kg
  D) 3.0  10-22 kg
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bfulkerson77

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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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fox

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Reply 2 on: Jul 29, 2018
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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