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 128 times)

Brittanyd9008

  • Hero Member
  • *****
  • Posts: 500
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
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

For a complete list of videos, visit our video library