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Author Question: Two transparency sheets are rubbed with tissue paper and then the two transparency sheets are held ... (Read 295 times)

clmills979

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on: Jul 29, 2018
Two transparency sheets are rubbed with tissue paper and then the two transparency sheets are held up near each other. This experiment demonstrates that
 
  A) similarly-charged objects attract each other.
  B) similarly-charged objects exert magnetic forces on each other.
  C) differently-charged objects attract each other.
  D) differently-charged objects repel each other.
  E) similarly-charged objects repel each other.

Question 2

Calculate the light intensity 1.51 m from a light bulb that emits 100 W of visible light, assuming that the light radiates uniformly in all directions.
 
  A) 3.49 W/m2
  B) 4.01 W/m2
  C) 43.9 W/m2
  D) 50.5 W/m2


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Hdosisshsbshs

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Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

A


clmills979

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


Hdosisshsbshs

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


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