« previous next »

Author Question: When photon absorption occurs in a hydrogen atom, the principal quantum number of the electron ... (Read 76 times)

ec501234

  • Hero Member
  • *****
  • Posts: 573
on: Jul 28, 2018
When photon absorption occurs in a hydrogen
  atom, the principal quantum number of the
  electron must
  a) decrease.
  b) remain the same.
  c) increase.
  d) become identical to that of a ground state electron.
  <-- if ppt--><--endif-->

Question 2

A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 below the horizontal just before it strikes a horizontal surface. The ball leaves this surface 0.50 s later with a velocity of 2.0 m/s directed 60 above the horizontal. What is the magnitude of the average resultant force on the ball?
 a. 14 N
  b. 11 N
  c. 18 N
  d. 22 N
  e. 3.0 N


rosiehomeworddo

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Atom Structure Atom Structure
The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ... The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ...
Mayan Number Mayan Number
Transmission electron microscope Transmission electron microscope
What principal will earn $77.14 interest at 6.65% p. What principal will earn $77.14 interest at 6.65% p.
Draw the electric field of: •An electron and proton •Two electrons Draw the electric field of: •An electron and proton •Two electrons
Video: Normal and abnormal blood pH

For a complete list of videos, visit our video library