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Author Question: When uranium fissions, the fission fragments are A) each about half the mass of the uranium ... (Read 157 times)

faduma

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on: Jul 29, 2018
When uranium fissions, the fission fragments are
 
  A)
 
  each about half the mass of the uranium nucleus.
  B)
 
  about 2/5 and 3/5 the mass of the uranium nucleus.
  C)
 
  about 1/3 and 2/3 the mass of the uranium nucleus.
  D)
 
  about 1/4 and 3/4 the mass of the uranium nucleus.
  E)
 
  about 1/5 and 4/5 the mass of the uranium nucleus.

Question 2

An airplane flies 120 km at a constant altitude in a direction 30.0 north of east. A wind is blowing that results in a net horizontal force on the plane due to the air of 2.40 kN in a direction 10.0 south of west.
 
  How much work is done by the air on the plane? A)
 
  -2.70  108 J
  B)
 
  -0.985  108 J
  C)
 
  -221  108 J
  D)
 
  221  108 J
  E)
 
  0.821  108 J


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lcapri7

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

A


faduma

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Reply #2 on: Jul 29, 2018
Thank you!


lcapri7

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Reply #3 on: Jul 29, 2018
Always glad to help...


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