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 171 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?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

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

Basic overview of energy and human life. Basic overview of energy and human life.
Human embryonic stem cells forming rosettes, a sign of neural differentiation Human embryonic stem cells forming rosettes, a sign of neural differentiation
Human body in anatomical ¬position Human body in anatomical ¬position
Midsagittal MRI Scan of a Human Brain Midsagittal MRI Scan of a Human Brain
Organization of the human body. Organization of the human body.
Video: Hershey Chase Experiments

For a complete list of videos, visit our video library