Author Question: The kinetic energy of a particle is 3 times its rest energy. What is the speed of the particle? ... (Read 76 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
The kinetic energy of a particle is 3 times its rest energy. What is the speed of the particle?
 
  A) 0.950c
  B) 0.968c
  C) 0.976c
  D) 0.984c
  E) 0.990c

Question 2

When the magnitude of both interacting charges is increased by a factor of 2, the electrical forces between these charges is
 
  A) doubled.
  B) quadrupled.
  C) reduced by a factor of 3.
  D) reduced by a factor of .
  E) reduced by a factor of 4.



blazinlyss

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

For a complete list of videos, visit our video library