« previous next »

Author Question: A source emits sound with frequency 1000 Hz. A second source emitting sound simultaneously causes a ... (Read 110 times)

MirandaLo

  • Hero Member
  • *****
  • Posts: 538
on: Jul 29, 2018
A source emits sound with frequency 1000 Hz. A second source emitting sound simultaneously causes a 4 Hz intensity variation to appear. What are the possible frequencies of the second source?
 
  A)
 
  0.004 Hz and 4000 Hz
  B)
 
  250 Hz and 4000 Hz
  C)
 
  996 Hz and 4000 Hz
  D)
 
  0.004 Hz and 250 Hz
  E)
 
  996 Hz and 1004 Hz

Question 2

Van der Waals bonding is caused by
 
  A)
 
  the sharing of electrons between atoms.
  B)
 
  the transfer of electrons between atoms.
  C)
 
  unequal charge distribution around neutral molecules.
  D)
 
  atoms bonding to hydrogen molecules.
  E)
 
  atoms bonding to oxygen molecules.


jojobee318

  • Sr. Member
  • ****
  • Posts: 298
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

The frequency of competition according to the number of species involved. The frequency of competition according to the number of species involved.
Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc
All fuel injectors should make the same sound with the engine running at idle speed. A lack of sound ... All fuel injectors should make the same sound with the engine running at idle speed. A lack of sound ...
Localizing the Source of High-Frequency Sounds Localizing the Source of High-Frequency Sounds
Physical features of Sjögren's syndrome. Source: Ways Sjogren's Syndrome May Affect the ... Physical features of Sjögren's syndrome. Source: Ways Sjogren's Syndrome May Affect the ...
Humburger is a good source of niacin , vitamin B6 and pantothenic acid Humburger is a good source of niacin , vitamin B6 and pantothenic acid
Video: Antidiuretic hormone (vasoconstriction, water reabsorption & sweat inhibition)

For a complete list of videos, visit our video library