This topic contains a solution. Click here to go to the answer

Author Question: Define power in terms of both work and energy. What will be an ideal ... (Read 22 times)

mynx

  • Hero Member
  • *****
  • Posts: 555
Define power in terms of both work and energy.
 
  What will be an ideal response?

Question 2

A beam of 1012 neutrons/second is incident on an aluminum foil of thickness 10-4 m. The cross section for absorption is 0.23 bn. What is the reaction rate for neutrons being absorbed?
 
  A)
 
  1.4  1011/s
  B)
 
  1.4  109/s
  C)
 
  1.4  108/s
  D)
 
  1.4  1010/s
  E)
 
  1.4  1012/s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momolu

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

Power is the rate at which work is done; it is the rate at which energy is transformed.

Answer to Question 2

C




mynx

  • Member
  • Posts: 555
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it


okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

For a complete list of videos, visit our video library