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Author Question: There must be equal amounts of mass on both sides of the center of mass (or center of gravity) of a ... (Read 85 times)

BRWH

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on: Jul 29, 2018
There must be equal amounts of mass on both sides of the center of mass (or center of gravity) of a system.
 
  A) True
  B) False

Question 2

Two sources emit beams of microwaves. The microwaves from source A have a frequency of 10 GHz, and the ones from source B have a frequency of 20 GHz. This is all we know about the two beams.
 
  Which of the following statements about these beams are correct? (There could be more than one correct choice.) A) Beam B carries twice as many photons per second as beam A.
  B) A photon in beam B has twice the energy of a photon in beam A.
  C) The intensity of beam B is twice as great as the intensity of beam A.
  D) A photon in beam B has the same energy as a photon in beam A.
  E) None of the above statements are true.
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Toya9913

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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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BRWH

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


Toya9913

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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