This topic contains a solution. Click here to go to the answer

Author Question: Sound refraction can occur when the speed of sound A) remains constant. B) changes. C) ranges ... (Read 72 times)

schs14

  • Hero Member
  • *****
  • Posts: 569
Sound refraction can occur when the speed of sound
 
  A) remains constant.
  B) changes.
  C) ranges below supersonic.
  D) none of the above

Question 2

An explosion occurs 34 km away. The time it takes for its sound to reach your ears, traveling at 340 m/s, is
 
  A) 0.1 s.
  B) 1 s.
  C) 10 s.
  D) 20 s.
  E) more than 20 s.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ASDFGJLO

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

Answer: B

Answer to Question 2

Answer: E





 

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

For a complete list of videos, visit our video library