Author Question: What is the intensity of a 70. dB sound? What will be an ideal ... (Read 89 times)

karen

  • Hero Member
  • *****
  • Posts: 537
What is the intensity of a 70. dB sound?
 
  What will be an ideal response?

Question 2

When a light beach ball rolling with a speed of 6 m/s collides with a heavy exercise ball at rest, the beach ball's speed after the collision will be approximately
 
  A) 3 m/s.
  B) 12 m/s.
  C) 6 m/s.
  D) 18 m/s.
  E) 0.



isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

10-5 W/m2

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

karen

  • Hero Member
  • *****
  • Posts: 537

isabelt_18

  • Sr. Member
  • ****
  • Posts: 342

 

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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?

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

For a complete list of videos, visit our video library