« previous next »

Author Question: A 1056-hertz tuning fork is sounded at the same time a piano note is struck. You hear three beats ... (Read 108 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!
on: Jul 29, 2018
A 1056-hertz tuning fork is sounded at the same time a piano note is struck. You hear three beats per second. What is the frequency of the piano string?
 
  A) 1056 hertz
  B) 1059 hertz
  C) 1053 hertz
  D) 3168 hertz
  E) need more information

Question 2

A piano tuner knows that a key on the piano is tuned to the frequency of a test tuning fork when the fork and key struck at same time produce beats of
 
  A) 0 Hz.
  B) 1 Hz.
  C) 2 Hz.
  D) 3 Hz.
  E) 4 Hz.


ririgirl15

  • Sr. Member
  • ****
  • Posts: 385
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: E

Answer to Question 2

Answer: A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

The Genus Homo Through Time The Genus Homo Through Time
Andrea Palladio, Plan of main floor (piano nobile), Villa La Rotunda. Andrea Palladio, Plan of main floor (piano nobile), Villa La Rotunda.
Radiative forcing expresses change in energy input over time Radiative forcing expresses change in energy input over time
Nargis struck the Irrawaddy Delta in 2008 Nargis struck the Irrawaddy Delta in 2008
Weak bones cause the spine to collapse over time Weak bones cause the spine to collapse over time
Increased amounts of "screen time" are contributing to decreased amounts of physical ... Increased amounts of "screen time" are contributing to decreased amounts of physical ...
Video: Hemoglobin's affinity with oxygen - carbon dioxide, temperature and bisphosphoglycerate (BPG)

For a complete list of videos, visit our video library