This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In order for a substance to sustain a fission chain reaction, one important condition is that A) ... (Read 24 times)

clmills979

  • Hero Member
  • *****
  • Posts: 551
on: Jul 29, 2018
In order for a substance to sustain a fission chain reaction, one important condition is that
 
  A) each fissioning nucleus must release a sufficient number of neutrons.
  B) the nuclei must collide with enough energy to overcome the electrical repulsion between them.
  C) each fissioning nucleus must release a sufficient number of alpha-particles.
  D) energy must be continually supplied from the outside.
  E) the nuclei must stay in shape by maintaining a regular jogging program.

Question 2

When an object 1.15 cm tall is placed 12 cm from a lens, the lens produces an upright image of the object that is 5.75 cm tall. What is the focal length of the lens?
 
  A) 24 cm
  B) 18 cm
  C) 60 cm
  D) 15 cm
  E) 9.0 cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

medine

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


clmills979

  • Hero Member
  • *****
  • Posts: 551
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


medine

  • Sr. Member
  • ****
  • Posts: 344
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

A model of anxiety in which stressful events or a changing mental condition can produce unfavorable A model of anxiety in which stressful events or a changing mental condition can produce unfavorable
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a
It is important for new employees to know the location of all fire extinguishers. (C) Sweep the area ... It is important for new employees to know the location of all fire extinguishers. (C) Sweep the area ...
Apply the substance to the arm with long, smooth strokes, then cover the arm and abdomen with the ... Apply the substance to the arm with long, smooth strokes, then cover the arm and abdomen with the ...
For each substrate below, choose which reaction type is favored. Place the letter of the ... For each substrate below, choose which reaction type is favored. Place the letter of the ...
Rate order question Rate order question
Video: Burn Animation

For a complete list of videos, visit our video library