[Answered] Electrons in an x-ray machine are accelerated from rest through a potential difference of 80,000 V. ...

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Haya94

Hero Member
Posts: 558

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

Sr. Member
Posts: 323

Reply #1 on: Jul 28, 2018

Answer to Question 1

D

Answer to Question 2

C

Haya94

Hero Member
Posts: 558

Reply #2 on: Jul 28, 2018

Thanks

Pamela.irrgang@yahoo.com

Sr. Member
Posts: 323

Reply #3 on: Jul 28, 2018

Welcome

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