This topic contains a solution. Click here to go to the answer

Author Question: Let's say that a loud pulse is emitted from a point on the surface of the Earth in all directions. ... (Read 61 times)

HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
Let's say that a loud pulse is emitted from a point on the surface of the Earth in all directions. Who would hear the sound first, someone located one km away horizontally, or someone located on a mountain top one km above the location of the sound source? Note that air is cooler at higher elevations.
  1.the person located one km away horizontally
  2.the person located one km away vertically
  3.They would both hear the sound at the same instant.
  4.There is not enough information available to determine this.

Question 2

If the wavelength of sound is increased by a factor of 3, what happens to its speed and frequency?
  1.Its speed increases by a factor of 3, and so does its frequency.
  2.Its frequency increases by a factor of 3, but the speed stays the same.
  3.Its frequency decreases by a factor of 3, but its speed stays the same.
  4.Its speed decreases by a factor of 3, and so does its frequency.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jennafosdick

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

1

Answer to Question 2

3




HudsonKB16

  • Member
  • Posts: 535
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review


Dnite

  • Member
  • Posts: 297
Reply 3 on: Yesterday
Excellent

 

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

For a complete list of videos, visit our video library