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Author Question: What is the intensity of a 70. dB sound? What will be an ideal ... (Read 38 times)

karen

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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

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Reply #1 on: Jul 27, 2018
Answer to Question 1

10-5 W/m2

Answer to Question 2

C


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karen

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Reply #2 on: Jul 27, 2018
TY


isabelt_18

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Reply #3 on: Jul 27, 2018
You're welcome


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