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bokaro bokaro
wrote...
Posts: 523
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6 years ago
How much energy would be required to accelerate a 77. kg professor from rest to 90 the speed of light?
 
  A) 2.3 mc2
  B) 0.30 m c2
  C) 1.3 m c2
  D) 0.41 m c2
  E) 0.50 m c2

Question 2

Given how many times intelligent civilizations could have appeared over the universe's history, it is most likely that if other civilizations exist, they will
 
  A) be slightly less advanced than us
  B) be much less advanced than us
  C) have about the same level of technology as us
  D) be much more advanced than us

Question 3

Name five different types of radiation detectors.
 
  What will be an ideal response?
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1 Reply

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Replies
wrote...
6 years ago
Answer to q. 1

C

Answer to q. 2

D

Answer to q. 3

Geiger counter, scintillation counter, solid state detector, bubble chamber, spark chamber.
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