Author Question: A sonic boom is produced by an airplane flying at a speed A) just below the speed of sound. B) ... (Read 166 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?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

For a complete list of videos, visit our video library