« previous next »

Author Question: When an electron collides with a positron producing a pair of high gamma rays, we call this process ... (Read 109 times)

jessicacav

  • Hero Member
  • *****
  • Posts: 558
on: Jul 27, 2018
When an electron collides with a positron producing a pair of high gamma rays, we call this process
 
  A) pair production
  B) matter obliteration
  C) photodisintegration
  D) annihilation

Question 2

Suppose one observes cosmic rays creating a new particle high in the atmosphere and the particle moves at 99.7 the speed of light. It is observed to decay in an average 37.0 s. What is the proper lifetime of the particle?
 
  A) 2.86 s
  B) 4.33 s
  C) 18.1 s
  D) 12.4 s
  E) 5.33 ms


akpaschal

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

jessicacav

  • Hero Member
  • *****
  • Posts: 558
Reply #2 on: Jul 27, 2018
Thanks


akpaschal

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Electron Microscope Images of a Diatom Electron Microscope Images of a Diatom
High Resolution Logo High Resolution Logo
Color mixtures of reflected pigment—subtractive process Color mixtures of reflected pigment—subtractive process
Shy children often have a high arousal level in novel social situations. Over time, parents can help ... Shy children often have a high arousal level in novel social situations. Over time, parents can help ...
Hormones in the Digestive Process Hormones in the Digestive Process
Condyle process Condyle process
Video: Bulk flow - factors that influence bulk flow

For a complete list of videos, visit our video library