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Author Question: One advantage of using air as the working fluid in a solar collector is ________. a. that freezing ... (Read 25 times)

AEWBW

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on: Jul 28, 2018
One advantage of using air as the working fluid in a solar collector is ________.
 a. that freezing will not be a problem
  b. that water heats up faster than air
  c. a smaller storage facility can be used
  d. that one needs hot water for showers

Question 2

Which type of force would be the equal and opposite force to a gravitational force?
 a. gravitational
  b. electromagnetic
  c. strong
  d. weak
  e. It could be any one of the above or some combination of them.


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elyse44

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

a

Answer to Question 2

A


AEWBW

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

cassie_ragen

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Reply 3 on: Yesterday
Wow, this really help

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