« previous next »

Author Question: Three charges are placed as follows along the x- and y-axis of an xy-coordinate system: q1 = 2.00 C ... (Read 62 times)

Jkov05

  • Hero Member
  • *****
  • Posts: 556
on: Jul 29, 2018
Three charges are placed as follows along the x- and y-axis of an xy-coordinate system: q1 = 2.00 C at x1 = 0 m, q2 = -4.00 C at x2 = 3.00 m, and q3 = 6.00 C at y = 4.00 m. What is the electric potential energy of this system of charges?
 
  A) -40.2 mJ
  B) 40.2 mJ
  C) -94.2 mJ
  D) 94.2 mJ
  E) 0 J

Question 2

If the threshold wavelength to dislodge electrons from a metal is 373. nm, what is the work function?
 
  What will be an ideal response?


FergA

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

3.33 eV


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

A fuel system tester connected in series in the fuel system so all of the fuel used flows through ... A fuel system tester connected in series in the fuel system so all of the fuel used flows through ...
How to reflect the quadratic function relative to the x-axis How to reflect the quadratic function relative to the x-axis
The digestive system The digestive system
Organ System Organ System
Circulatory System of a Shark Circulatory System of a Shark
Respiratory system of a bird. Respiratory system of a bird.
Video: Definitions of stroke volume, preload definition & Factors influencing stroke volume

For a complete list of videos, visit our video library