« 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 69 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?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

The life cycle of a flowering plant, illustrated by the genus Polygonum The life cycle of a flowering plant, illustrated by the genus Polygonum
This Black-browed Albatross has been hooked on a long-line. This Black-browed Albatross has been hooked on a long-line.
The 2012 U.S. presidential campaign rang with “get tough” cries to end Iran’s nuclear capacity and c The 2012 U.S. presidential campaign rang with “get tough” cries to end Iran’s nuclear capacity and c
Socrates thrived on the intellectual life of the agora (the marketplace), where he could be sure to ... Socrates thrived on the intellectual life of the agora (the marketplace), where he could be sure to ...
Grace Ndiritu, Still Life: White Textiles. Grace Ndiritu, Still Life: White Textiles.
Video: Osmosis - water transport

For a complete list of videos, visit our video library