« previous next »

Author Question: When Ken Ford wears noise-canceling earphones in his airplane, he is applying A) anti-noise ... (Read 26 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543
on: Jul 29, 2018
When Ken Ford wears noise-canceling earphones in his airplane, he is applying
 
  A) anti-noise technology.
  B) beats.
  C) resonance of sound.
  D) all of these
  E) none of the above

Question 2

A node is a position of
 
  A) minimum amplitude.
  B) maximum amplitude.
  C) minimum frequency.


frankwu0507

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

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?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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?

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

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

APPLYING A STERILE GOWN AND PERFORMING CLOSED GLOVING 2 APPLYING A STERILE GOWN AND PERFORMING CLOSED GLOVING 2
A fuel heater is part of the fuel filter and water separator located on the frame rail of a Ford ... A fuel heater is part of the fuel filter and water separator located on the frame rail of a Ford ...
Ford spring-lock connectors require a special tool for disassembly. Ford spring-lock connectors require a special tool for disassembly.
Bracing the head while applying pressure to the neck. Bracing the head while applying pressure to the neck.
Loosen the scalp by applying circular friction to the sides, back, and top of head (over entire hair ... Loosen the scalp by applying circular friction to the sides, back, and top of head (over entire hair ...
Airplane kids drawing SK Airplane kids drawing SK
Video: Virtual Tour of the Heart

For a complete list of videos, visit our video library