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Author Question: A spaceship approaches the earth with a speed 0.50 c. A passenger in the spaceship measures his ... (Read 42 times)

leilurhhh

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on: Jul 29, 2018
A spaceship approaches the earth with a speed 0.50 c. A passenger in the spaceship measures his heartbeat as 70 beats per minute. What is his heartbeat rate according to an observer that is at rest relative to the earth?
 
  A)
 
  69 beats per minute
  B)
 
  73 beats per minute
  C)
 
  65 beats per minute
  D)
 
  61 beats per minute
  E)
 
  80 beats per minute

Question 2

If the absolute value of the magnification is smaller than one, then the image is
 
  A)
 
  larger than the object.
  B)
 
  the same size as the object.
  C)
 
  smaller than the object.


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okolip

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

D

Answer to Question 2

C


leilurhhh

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Reply #2 on: Jul 29, 2018
Thanks


okolip

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Reply #3 on: Jul 29, 2018
Welcome :)


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