Author Question: If the half life for Radium-226 is 1600. years, how long is the quarter life? What will be an ... (Read 104 times)

daltonest1984

  • Hero Member
  • *****
  • Posts: 536
If the half life for Radium-226 is 1600. years, how long is the quarter life?
 
  What will be an ideal response?

Question 2

Consider a particle composed of quarks.
 
  (a) The negative pion is composed of what combination of up and down quarks?
  (b) Is the negative pion a baryon or meson?
  (c) Is the negative pion a lepton or a hadron?



scrocafella

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

3200. years (quarter life is how long one waits for 1/4 to remain, so wait 2 half-lives)

Answer to Question 2

(a) d
(b) meson
(c) hadron



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

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

For a complete list of videos, visit our video library