Author Question: A 3.0-C positive point charge is located at the origin and a 2.0 C positive point charge is located ... (Read 87 times)

cherise1989

  • Hero Member
  • *****
  • Posts: 555
A 3.0-C positive point charge is located at the origin and a 2.0 C positive point charge is located at x = 0.00 m, y = 1.0 m. Find the coordinates of the point where the net electric field strength due to these charges is zero.
 
  A) x = 0.00 m, y = 0.55 m
  B) x = 0.00 m, y = 0.67 m
  C) x = 0.00 m, y = 1.5 m
  D) x = 0.00 m, y = 0.60 m

Question 2

Upon being struck by 240-nm photons, a metal ejects electrons with a maximum kinetic energy of
 
  What is the work function of this metal? (h = 6.626  10-34 J  s, c = 3.00  108 m/s,
  1 eV = 1.60  10-19 J)
  A) 3.73 eV
  B) 3.13 eV
  C) 4.33 eV
  D) 4.92 eV



sultansheikh

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

For a complete list of videos, visit our video library