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

Author Question: The wavelength of a light beam is doubled. Which one of the following is correct for the momentum of ... (Read 20 times)

mspears3

  • Hero Member
  • *****
  • Posts: 586
The wavelength of a light beam is doubled. Which one of the following is correct for the momentum of photons for that light beam?
 
  A) It is halved.
  B) It stays the same.
  C) It is doubled.
  D) It is reduced by one-fourth
  E) It is quadrupled.

Question 2

A projectile is fired from ground level with an initial speed of 55.6 m/s at an angle of 41.2 above the horizontal. (a) Determine the time necessary for the projectile to reach its maximum height.
 
  (b) Determine the maximum height reached by the projectile. (c) Determine the horizontal and vertical components of the velocity vector at the maximum height. (d) Determine the horizontal and vertical components of the acceleration vector at the maximum height.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

angrybirds13579

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

A

Answer to Question 2

(a) 3.73 s
(b) 68.3 m
(c) vhorizonta = 41.8 m/s, vvertical = 0
(d) vhorizonta = 0, vvertical = -9.8 m/s2




mspears3

  • Member
  • Posts: 586
Reply 2 on: Jul 29, 2018
Excellent


sailorcrescent

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

For a complete list of videos, visit our video library