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

Author Question: What is the intensity level in decibels of a sound with intensity 10-3 W/m2? The threshold of human ... (Read 138 times)

Lisaclaire

  • Hero Member
  • *****
  • Posts: 569
on: Jul 29, 2018
What is the intensity level in decibels of a sound with intensity 10-3 W/m2? The threshold of human hearing is 1.0  10-12 W/m2.
 
  A) 30 dB
  B) 60 dB
  C) 90 dB
  D) 96 dB

Question 2

Three resistors of 12 , 12 , and 6.0  are connected together, and an ideal 12-V battery is connected across the combination. What is the current through the battery if they are connected (a) in series or (b) in parallel?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Anton

  • Sr. Member
  • ****
  • Posts: 302
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

(a) 0.40 A (b) 4.0 A


Lisaclaire

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jul 29, 2018
Thanks


Anton

  • Sr. Member
  • ****
  • Posts: 302
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

The FDA recognizes 118 routes of administration.

Nuclear division at the DNA level Nuclear division at the DNA level
human skin and pressure points human skin and pressure points
An aryballe vase or decanter made for carrying body oils clearly demonstrates that ancient Greeks we An aryballe vase or decanter made for carrying body oils clearly demonstrates that ancient Greeks we
The four levels of PPE according to the EPA (from left to right): Level A, Level B, Level C, and ... The four levels of PPE according to the EPA (from left to right): Level A, Level B, Level C, and ...
The traditional human karyotypes derived from a normal female and a normal male The traditional human karyotypes derived from a normal female and a normal male
Wavelike properties of sound Wavelike properties of sound
Video: Secondary and tertiary levels of protein structure Animation

For a complete list of videos, visit our video library