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Author Question: The minimum energy needed to produce a positron is a. 3 MeV b. 2 MeV c. 1 MeV d. 4 MeV e. 0.51 ... (Read 30 times)

hbsimmons88

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on: Jul 28, 2018
The minimum energy needed to produce a positron is
 a. 3 MeV
  b. 2 MeV
  c. 1 MeV
  d. 4 MeV
  e. 0.51 MeV

Question 2

On September 22 or 23, the noonday Sun is overhead at what latitude?
 a. 0
  b. 23.5N
  c. 23.5S
  d. That of the Tropic of Cancer


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snackralk

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Reply #1 on: Jul 28, 2018
Answer to Question 1

e

Answer to Question 2

a


hbsimmons88

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  • Posts: 526
Reply 2 on: Jul 28, 2018
:D TYSM

aliotak

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

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