Author Question: When a stellar iron core collapses, large numbers of neutrinos are formed, and then: A) they form ... (Read 35 times)

piesebel

  • Hero Member
  • *****
  • Posts: 565
When a stellar iron core collapses, large numbers of neutrinos are formed, and then:
 
  A) they form the neutron star.
  B) they are absorbed by electrons to produce positrons.
  C) they are captured to form heavy elements.
  D) they are captured to form light elements.
  E) they immediately pass through the core and escape to space.

Question 2

Beyond the formation of iron, nuclear energy can be produced only by:
 
  A) fusion of still heavier elements.
  B) ionization of the radioactive nuclei.
  C) fission of heavy nuclei back toward lighter ones.
  D) gravity.
  E) the dark force.



Swizqar

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

E

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Swizqar

  • Sr. Member
  • ****
  • Posts: 357

 

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?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

For a complete list of videos, visit our video library