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Author Question: Electrons in an x-ray machine are accelerated from rest through a potential difference of 80,000 V. ... (Read 93 times)

Haya94

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on: Jul 28, 2018
Electrons in an x-ray machine are accelerated from rest through a potential difference of 80,000 V. What is the kinetic energy of each of these electrons in eV?
 a. 128 eV
  c. 80 eV
  b. 40 eV
  d. 80 keV

Question 2

Calculate the linear speed due to the Earth's rotation for a person at the equator of the Earth. The radius of the Earth is 6.40  106 m.
 a. 74.0 m/s
  c. 465 m/s
  b. 233 m/s
  d. 73.0 m/s


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Pamela.irrgang@yahoo.com

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

C


Haya94

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Reply #2 on: Jul 28, 2018
Thanks


Pamela.irrgang@yahoo.com

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Reply #3 on: Jul 28, 2018
Welcome :)


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