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Author Question: If a jet plane were to double its MACH-speed, its half-angle will A) decrease. B) increase. C) ... (Read 74 times)

DelorasTo

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on: Jul 27, 2018
If a jet plane were to double its MACH-speed, its half-angle will
 
  A) decrease.
  B) increase.
  C) stay the same.

Question 2

A future use of space stations may be to provide hospitals for severely burned persons. It is very painful for a badly burned person on Earth to lie in bed. In a space station, the effect of gravity can be reduced or eliminated.
 
  With what period of rotation would a doughnut-shaped hospital of 200. m radius have to rotate, if persons on the outer perimeter are to experience 1/10 the gravity effect of Earth? A) 91. min
  B) 1.5 min
  C) 8.7 min
  D) 4.6 min
  E) 0.011 min


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raili21

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

A

Answer to Question 2

B


DelorasTo

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

sailorcrescent

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Reply 3 on: Yesterday
Wow, this really help

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