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Author Question: Since Einstein, scientists think that the substance that is waving when a light wave is transmitted ... (Read 78 times)

ahriuashd

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Since Einstein, scientists think that the substance that is waving when a light wave is transmitted is
 
  A) phlogisten.
  B) air.
  C) ether.
  D) plasma.
  E) They don't think any material substance is waving.

Question 2

The position of an object that is oscillating on a spring is given by the equation x = (18.3 cm) cos(2.35 s-1)t. What are the (a) frequency, (b) amplitude, and (c) period of this motion?
 
  What will be an ideal response?



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Beatricemm

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Answer to Question 1

E

Answer to Question 2

(a) 0.374 Hz (b) 18.3 cm (c) 2.67 s




ahriuashd

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Reply 2 on: Jul 29, 2018
Excellent


kthug

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Reply 3 on: Yesterday
Wow, this really help

 

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