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Author Question: What is the wavelength of a neutron having a kinetic energy of 0.025 eV? (The mass of a neutron is ... (Read 195 times)

deesands

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on: Jul 29, 2018
What is the wavelength of a neutron having a kinetic energy of 0.025 eV? (The mass of a neutron is 1.67  10-27 kg.)
 
  A)
 
  3.7  10-22 m
  B)
 
  2200 m
  C)
 
  1100 m
  D)
 
  1.8  10-10 m
  E)
 
  3.2  10-20 m

Question 2

Stress is
 
  A)
 
  the strain per unit length.
  B)
 
  the same as force.
  C)
 
  the ratio of the change in length to the original length.
  D)
 
  applied force per cross-sectional area.
  E)
 
  the ratio of elastic modulus to strain.


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yuyiding

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

D

Answer to Question 2

D


deesands

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Reply 2 on: Jul 29, 2018
:D TYSM

ricroger

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Reply 3 on: Yesterday
Wow, this really help

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