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Author Question: The range of frequencies that a radio telescope is sensitive to is referred to as its A) ... (Read 88 times)

charchew

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on: Jul 27, 2018
The range of frequencies that a radio telescope is sensitive to is referred to as its
 
  A) sensitivity
  B) band
  C) bandwidth
  D) bandpass

Question 2

By how much will a slab of concrete 18. m long contract when the temperature drops from 24.C to -16.C? (The coefficient of linear thermal expansion for concrete is 12  10-6 per degree C.)
 
  A) 1.5 cm
  B) 0.86 cm
  C) 70. mm
  D) 15. cm
  E) 0.5 cm


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frankwu0507

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

B


charchew

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Reply #2 on: Jul 27, 2018
Thanks


frankwu0507

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Reply #3 on: Jul 27, 2018
Welcome :)


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