« previous next »

Author Question: What is the intensity of a 70. dB sound? What will be an ideal ... (Read 74 times)

karen

  • Hero Member
  • *****
  • Posts: 537
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
Reply #2 on: Jul 27, 2018
TY


isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Characteristics of Sound: Frequency and Amplitude Characteristics of Sound: Frequency and Amplitude
The steps in the hearing process. (1) Sound waves enter the outer ear and travel through the ear ... The steps in the hearing process. (1) Sound waves enter the outer ear and travel through the ear ...
Apply the heat source, and ask for immediate feedback on the heat intensity felt by the recipient. ... Apply the heat source, and ask for immediate feedback on the heat intensity felt by the recipient. ...
A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ... A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ...
If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas? If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas?
Wavelike properties of sound Wavelike properties of sound
Video: PET Scan Animation

For a complete list of videos, visit our video library