An electron of mass 9.11 10-31 kg moves with a speed of 0.800c. What is its kinetic energy? (c = ...

Author Question: An electron of mass 9.11 10-31 kg moves with a speed of 0.800c. What is its kinetic energy? (c = ... (Read 139 times)

Brittanyd9008

Hero Member
Posts: 500

on: Jul 28, 2018

An electron of mass 9.11 10-31 kg moves with a speed of 0.800c. What is its kinetic energy? (c = 3.00 108 m/s)
a. 5.47 10-14 J
c. 3.90 10-14 J
b. 2.05 10-14 J
d. 6.22 10-14 J

Question 2

An electron of mass 9.11 10-31 kg moves with a speed of 0.800c. What is its total energy? (c = 3.00 108 m/s)
a. 13.7 10-14 J
c. 4.80 10-14 J
b. 10.2 10-14 J
d. 7.30 10-14 J

Cheesycrackers

Sr. Member
Posts: 333

Reply #1 on: Jul 28, 2018

Answer to Question 1

A

Answer to Question 2

A

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Brittanyd9008

Hero Member
Posts: 500

Reply #2 on: Jul 28, 2018

Cheesycrackers

Sr. Member
Posts: 333

Reply #3 on: Jul 28, 2018

You're welcome

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