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Author Question: In order to control a nuclear reactor, control rods can be pulled out of or pushed into the reactor ... (Read 188 times)

JMatthes

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In order to control a nuclear reactor, control rods can be pulled out of or pushed into the reactor core by remote control. These rods control the reactor by
 a. slowing down the fast neutrons so the neutrons can be absorbed by 238U.
  b. speeding up slow neutrons so the neutrons can be absorbed by 238U.
  c. slowing down fast neutrons so they cannot initiate further fusion reactions in 235U.
  d. speeding up fast neutrons so they cannot initiate further fusion reactions in 235U.
  e. capturing thermal neutrons so they cannot initiate further fission reactions in 235U.

Question 2

Six months of daylight at the South Pole begins when the Sun is at the
 a. winter solstice.
  b. summer solstice.
  c. autumnal equinox.
  d. vernal equinox.



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Edwyer

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Answer to Question 1

e

Answer to Question 2

c




JMatthes

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)


upturnedfurball

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Reply 3 on: Yesterday
:D TYSM

 

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