This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What part of the human ear acts as the first resonator in the system? a. The eardrum. b. The ... (Read 48 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
on: Jul 28, 2018
What part of the human ear acts as the first resonator in the system?
 a. The eardrum.
  b. The middle ear.
  c. The ear lobes.
  d. The ear canal.
  e. The inner ear.

Question 2

How does sonar work?
 a. It measures the speed of sound by timing how long it takes sound to travel.
  b. It compares the speed of sound under different circumstances, by changing temperature or gas content.
  c. It compares the frequencies of the emitted and reflected sound wave.
  d. It measures the distance to underwater objects by bouncing sound waves off the objects.
  e. It measures the distance to objects in the upper atmosphere by timing the speed of sound to those objects.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nickk12214

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

d


mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


nickk12214

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Some viruses that cause human diseases. Some viruses that cause human diseases.
Concept map of disease and immune system Concept map of disease and immune system
Renal blood vessels and the pathway of blood through the renal system. Renal blood vessels and the pathway of blood through the renal system.
How to find the definite integral using the fundamental theorem of calculus (Part 1) How to find the definite integral using the fundamental theorem of calculus (Part 1)
Human Communication: The Basic Course, 14th Edition Human Communication: The Basic Course, 14th Edition
circulatory system circulatory system
Video: Hyperglycemia Animation

For a complete list of videos, visit our video library