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Author Question: When a blinking light source moves relative to you, the speed of the light A) changes but the ... (Read 130 times)

RRMR

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When a blinking light source moves relative to you, the speed of the light
 
  A) changes but the frequency of blinks remains constant.
  B) remains constant but the frequency of blinks can change.
  C) stays the same, as does the blinking frequency.

Question 2

The position of a mass that is oscillating on a spring is given by x = (17.4 cm) cos(5.46 s-1)t. Write an expression for the velocity of the particle as a function of time.
 
  What will be an ideal response?



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aprice35067

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Answer to Question 1

Answer: B

Answer to Question 2

-(95.0 cm/s) sin(5.46 s-1 )t



RRMR

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Both answers were spot on, thank you once again




 

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