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

Author Question: A proton falls through a potential drop of 400 V. How much is the change of potential energy of this ... (Read 16 times)

abern

  • Hero Member
  • *****
  • Posts: 533
on: Jul 29, 2018
A proton falls through a potential drop of 400 V. How much is the change of potential energy of this proton in falling through this potential drop?
 
  A) 6.4  10-16 J
  B) -6.4  10-16 J
  C) 17  10-16 J
  D) -4000 J
  E) 4000 J

Question 2

Which of the following is the correct equation for the momentum of a photon?
 
  A) p = (hc)/
  B) p = /c
  C) p = (hc)/f
  D) p = (hf)/c
  E) p = (h)/c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CAPTAINAMERICA

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

D


abern

  • Member
  • Posts: 533
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

coreycathey

  • Member
  • Posts: 333
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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.

Bones change radically in size and shape from newborn to adult, as these cervical vertebrae demonstr Bones change radically in size and shape from newborn to adult, as these cervical vertebrae demonstr
Energy Transfer Processes: Forced Convection Energy Transfer Processes: Forced Convection
Solving Energy Problem Solving Energy Problem
How high a hill would a 75-kg hiker have to climb to increase her gravitational potential ... How high a hill would a 75-kg hiker have to climb to increase her gravitational potential ...
chemistry homework help energy related chemistry homework help energy related
Potential energy Potential energy
Video: Brief Summary on Photosynthesis - Animation

For a complete list of videos, visit our video library