« previous next »

Author Question: An echo is a sound wave that has been a. diffracted b. refracted c. reflected d. reverberated ... (Read 185 times)

jon_i

  • Hero Member
  • *****
  • Posts: 549
on: Jul 28, 2018
An echo is a sound wave that has been
 a. diffracted
  b. refracted
  c. reflected
  d. reverberated
  e. amplified

Question 2

You see a lightning flash and half a second later hear a loud blast of thunder. How far away did the lightning hit?
 a. about a mile c. a tenth of a mile
  b. half a mile d. none of the above


meganlapinski

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Auscultation. The stethoscope is pressed against the body wall to listen for sound waves associated Auscultation. The stethoscope is pressed against the body wall to listen for sound waves associated
All fuel injectors should make the same sound with the engine running at idle speed. A lack of sound ... All fuel injectors should make the same sound with the engine running at idle speed. A lack of sound ...
The breaking down of a sound—in this case, the sound of a clarinet—into its component sine waves ... The breaking down of a sound—in this case, the sound of a clarinet—into its component sine waves ...
Response to Sound Waves Response to Sound Waves
Sustainable Food Systems Are Environmentally Friendly, Economically Sound, and Socially Equitable Sustainable Food Systems Are Environmentally Friendly, Economically Sound, and Socially Equitable
If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is
Video: Dissociative Disorders (Part 2)

For a complete list of videos, visit our video library