« previous next »

Author Question: If the half life for Radium-226 is 1600. years, how long is the quarter life? What will be an ... (Read 115 times)

daltonest1984

  • Hero Member
  • *****
  • Posts: 536
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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

daltonest1984

  • Hero Member
  • *****
  • Posts: 536
Reply #2 on: Jul 27, 2018
TY


scrocafella

  • Sr. Member
  • ****
  • Posts: 346
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Life-history cube, a classification of fish, mammals, and altricial birds based on three dimensionle Life-history cube, a classification of fish, mammals, and altricial birds based on three dimensionle
For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu
Enterohepatic recirculation of a drug can increase its half-life in the body and prolong its ... Enterohepatic recirculation of a drug can increase its half-life in the body and prolong its ...
Food, friends, and football . . . a way of life Food, friends, and football . . . a way of life
Rapid, long-distance signaling in plants Rapid, long-distance signaling in plants
A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di
Video: Electromagnetic Spectrum, Chlorophyll and Pigment & Light

For a complete list of videos, visit our video library