« previous next »

Author Question: Suppose you sound a 1056-Hz tuning fork when you strike a note on the piano and hear 2 beats/second. ... (Read 120 times)

PhilipSeeMore

  • Hero Member
  • *****
  • Posts: 561
on: Jul 29, 2018
Suppose you sound a 1056-Hz tuning fork when you strike a note on the piano and hear 2 beats/second. You tighten the piano string very slightly and now hear 3 beats/second. What is the frequency of the piano string?
 
  A) 1053 Hz
  B) 1054 Hz
  C) 1056 Hz
  D) 1058 Hz
  E) 1059 Hz

Question 2

Sound interference with a pair of radio loudspeakers can be nicely demonstrated when the
 
  A) radio signal is monaural for each.
  B) input and output of the speakers are reversed.
  C) speakers are brought face to face.
  D) all of the above
  E) none of the above


allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: E

Answer to Question 2

Answer: D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

PhilipSeeMore

  • Hero Member
  • *****
  • Posts: 561
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The FDA recognizes 118 routes of administration.

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).

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Skull of an Oriental giant squirrel (genus Ratufa) - note the classic sciuromorphous shape of the an Skull of an Oriental giant squirrel (genus Ratufa) - note the classic sciuromorphous shape of the an
Sound Waves from Clarinet Sound Waves from Clarinet
The Canadian ballot is considerably simpler than the American ballot. Note there is nothing like a c The Canadian ballot is considerably simpler than the American ballot. Note there is nothing like a c
Skin testing. Note the spot labeled H, which is the positive histamine control, and the spot labeled ... Skin testing. Note the spot labeled H, which is the positive histamine control, and the spot labeled ...
Front Panel on Sound Box of the Great Lyre with Bull’s Head Front Panel on Sound Box of the Great Lyre with Bull’s Head
Video: Introduction to Macular Degeneration

For a complete list of videos, visit our video library