Author Question: A sonic boom is produced by an airplane flying at a speed A) just below the speed of sound. B) ... (Read 127 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
A sonic boom is produced by an airplane flying at a speed
 
  A) just below the speed of sound.
  B) equal to the speed of sound.
  C) greater than the speed of sound.
  D) all of the above
  E) none of the above

Question 2

The source of a sonic boom
 
  A) must be a sound emitter.
  B) may or may not be a sound emitter.
  C) is not a sound emitter.
  D) none of the above



ergserg

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

For a complete list of videos, visit our video library