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Author Question: A nonrelativistic proton is confined to a length of 2.0 pm on the x-axis. What is the kinetic energy ... (Read 57 times)

magmichele12

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on: Jul 29, 2018
A nonrelativistic proton is confined to a length of 2.0 pm on the x-axis. What is the kinetic energy of the proton if its speed is equal to the minimum uncertainty possible in its speed? (1 eV = 1.60  10-19 J, h = 1.
 
  055  10-34 J  s, mproton = 1.67  10-27 kg)
  A) 5200 eV B) 5.2 eV C) 520 eV D) 0.52 eV E) 52 eV

Question 2

A coil lies flat on a horizontal tabletop in a region where the magnetic field points straight down. The magnetic field disappears suddenly.
 
  When viewed from above, what is the direction of the induced current in this coil as the field disappears? A) counterclockwise
  B) clockwise
  C) clockwise initially, then counterclockwise before stopping
  D) There is no induced current in this coil.


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kjohnson

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

B

Answer to Question 2

B


magmichele12

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

shailee

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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