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

Author Question: When a mass of 180 g is attached to a vertical spring and lowered to its equilibrium position, it is ... (Read 103 times)

asd123

  • Hero Member
  • *****
  • Posts: 557
When a mass of 180 g is attached to a vertical spring and lowered to its equilibrium position, it is found that the spring extends 12 cm.
 
  If the mass is now displaced from its equilibrium position, what is the period of the resulting oscillations? A)
 
  2.2 s
 
  B)
 
  3.7 s
 
  C)
 
  0.69 s
 
  D)
 
  9.0 s
 
  E)
 
  1.5 s

Question 2

The maximum intensity using coherent sources compared to the maximum intensity using random sources for sources of equal strength is that the maximum in the coherent case is
 
  A)
 
  0.707 times the incoherent.
  B)
 
  triple the incoherent.
  C)
 
  the same as the incoherent.
  D)
 
  half the incoherent.
  E)
 
  double the incoherent.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kaytorgator

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

C

Answer to Question 2

E





 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

For a complete list of videos, visit our video library