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Author Question: A meterstick moving in a direction parallel to its length appears to be only 60.0 cm long to an ... (Read 33 times)

CharlieWard

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A meterstick moving in a direction parallel to its length appears to be only 60.0 cm long to an observer. What is the meterstick's speed relative to the observer? (c = 3.00  108 m/s)
 a. 1.19  108 m/s
  c. 2.93  108 m/s
  b. 2.40  108 m/s
  d. 2.75  108 m/s

Question 2

How fast would a rocket have to move past a ground observer if the latter were to observe a 3.0 length shrinkage in the rocket length? (c = 3.00  108 m/s)
 a. 1.2  108 m/s
  c. 0.73  108 m/s
  b. 0.60  108 m/s
  d. 0.12  108 m/s



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emilymalinowski12

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Answer to Question 1

B

Answer to Question 2

C




CharlieWard

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Reply 2 on: Jul 28, 2018
:D TYSM


kswal303

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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