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Author Question: An electron is known to be confined to a region of width 0.10 nm. What is an approximate expression ... (Read 81 times)

saraeharris

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on: Jul 27, 2018
An electron is known to be confined to a region of width 0.10 nm. What is an approximate expression for the least kinetic energy it could have, expressed in eV?
 
  What will be an ideal response?

Question 2

Approximately what mass ratio is required for a rocket to leave the Earth's gravity?
 
  A) 60
  B) 99
  C) 25
  D) 39


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raenoj

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

3.8 eV

Answer to Question 2

D


saraeharris

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

Jossy

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Reply 3 on: Yesterday
Wow, this really help

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