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

Author Question: What is the ratio of the intensities of two sounds with intensity levels of 70 dB and 40 dB? A) ... (Read 36 times)

cool

  • Hero Member
  • *****
  • Posts: 570
on: Jul 29, 2018
What is the ratio of the intensities of two sounds with intensity levels of 70 dB and 40 dB?
 
  A) 10:1
  B) 100:1
  C) 1000:1
  D) 10,000:1

Question 2

Three boxes rest side-by-side on a smooth, horizontal floor. Their masses are 5.0 kg, 3.0 kg, and 2.0 kg, with the 3.0-kg mass in the center. A force of 50 N pushes on the 5.0-kg box, which pushes against the other two boxes.
 
  What magnitude force does the 5.0-kg box exert on the 3.0-kg box? A) 0 N
  B) 10 N
  C) 25 N
  D) 40 N
  E) 50 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

stanleka1

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

C


cool

  • Member
  • Posts: 570
Reply 2 on: Jul 29, 2018
Wow, this really help

hollysheppard095

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Levels of biological organization in a plant. Levels of biological organization in a plant.
Normal Breath Sounds Normal Breath Sounds
Levels of protein structure: Quaternary structure Levels of protein structure: Quaternary structure
In older adults, higher education is related to higher levels of ego development. In older adults, higher education is related to higher levels of ego development.
Proteins can have several levels of structure Proteins can have several levels of structure
levels of organizations levels of organizations
Video: Lipid digestion - mouth, stomach and small intestine

For a complete list of videos, visit our video library