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Author Question: The factor fnow, in the Drake equation depends on A) whether a civilization ever develops ... (Read 66 times)

j.rubin

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on: Jul 27, 2018
The factor fnow, in the Drake equation depends on
 
  A) whether a civilization ever develops intelligence
  B) whether a planet has any kind of life on its surface right now
  C) how technologically advanced civilizations become
  D) how long civilizations survive once they have arisen

Question 2

A ball thrown horizontally from a point 24 m above the ground strikes the ground after traveling horizontally a distance of 18 m. With what speed was it thrown? (in this problem use g = 10 m/s2)
 
  A) 7.40 m/s
  B) 6.10 m/s
  C) 8.96 m/s
  D) 8.13 m/s
  E) g


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xoxo123

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

D

Answer to Question 2

D


j.rubin

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

xoxo123

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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