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Author Question: What is the de Broglie wavelength of an electron whose kinetic energy is 1.0 eV? A) 520 nm B) ... (Read 41 times)

altibaby

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on: Jul 27, 2018
What is the de Broglie wavelength of an electron whose kinetic energy is 1.0 eV?
 
  A) 520 nm
  B) 8.2 nm
  C) 0.64 nm
  D) 52 nm
  E) 1.2 nm

Question 2

A girl weighing 450. N sits on one end of a seesaw that is 3.0 m long and is pivoted 1.3 m from the girl. If the seesaw is just balanced when a boy sits at the opposite end, what is his weight? Neglect the weight of the seesaw.
 
  What will be an ideal response?


ankilker

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

E

Answer to Question 2

344. Newtons


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