This topic contains a solution. Click here to go to the answer

Author Question: There must be equal amounts of mass on both sides of the center of mass (or center of gravity) of a ... (Read 49 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Toya9913

  • Sr. Member
  • ****
  • Posts: 341
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.
Answer Preview
Only 29% of students answer this correctly



BRWH

  • Hero Member
  • *****
  • Posts: 553
Both answers were spot on, thank you once again




 

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

For a complete list of videos, visit our video library